Standard Lemma guide

principle

noun · verb · 17 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • Australian, Canada, General-American, Received-Pronunciation: /ˈpɹɪn.sɪ.pəl/
  • Australian, Canada, General-American, Received-Pronunciation: [ˈpɹɪn.sɪ.pɫ̩]
  • Australian, Canada, General-American, Received-Pronunciation: /ˈpɹɪn.sə.pəl/
  • Australian, Canada, General-American, Received-Pronunciation: [ˈpɹɪn.sə.pɫ̩]
  • US: Recorded audio is listed in the source snapshot.
  • homophone: principal
  • CMU ARPABET: P R IH1 N S AH0 P AH0 L Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

A fundamental assumption, fundamental law or guiding belief.

Definition source: English Wiktionary via Wiktextract

Examples

  • We need some sort of principles to reason from.

Meaning relationships

Synonyms: premise

Antonyms: none provided

2

noun

Meaning 2

A rule used to choose among solutions to a problem.

Definition source: English Wiktionary via Wiktextract

Examples

  • The principle of least privilege holds that a process should only receive the permissions it needs.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

Moral rule or aspect.

Definition source: English Wiktionary via Wiktextract

Qualifier: sometimes pluralized

Examples

  • I don't doubt your principles.
  • You are clearly a person of principle.
  • It's the principle of the thing; I won't do business with someone I can't trust.

Meaning relationships

Synonyms: tenet, value

Antonyms: none provided

4

noun

Meaning 4

A rule or law of nature, or the basic idea on how the laws of nature are applied.

Definition source: English Wiktionary via Wiktextract

Topics: natural-sciences, physical-sciences, physics

Examples

  • Bernoulli's principle
  • The Pauli Exclusion Principle prevents two fermions from occupying the same state.
  • The principle of the internal combustion engine

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

A fundamental essence, particularly one producing a given quality.

Definition source: English Wiktionary via Wiktextract

Examples

  • Many believe that life is the result of some vital principle.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

noun

Meaning 6

A fundamental essence, particularly one producing a given quality.

A chemical compound within plant or animal tissue that is characteristic of it and more or less peculiar to it, such that it defines the character of that tissue from a human viewpoint (as for example nicotine in tobacco).

Definition source: English Wiktionary via Wiktextract

Examples

  • the active principle

Meaning relationships

Synonyms: none provided

Antonyms: none provided

7

noun

Meaning 7

A source, or origin; that from which anything proceeds; fundamental substance or energy; primordial substance; ultimate element, or cause.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

8

noun

Meaning 8

An original faculty or endowment.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

9

noun

Meaning 9

Misspelling of principal.

Definition source: English Wiktionary via Wiktextract

Usage: alt-of, misspelling

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

10

noun

Meaning 10

A beginning.

Definition source: English Wiktionary via Wiktextract

Usage: obsolete

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

11

verb

Meaning 11

To equip with principles; to establish, or fix, in certain principles; to impress with any tenet or rule of conduct.

Definition source: English Wiktionary via Wiktextract

Usage: transitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

12

noun

Meaning 12

(law) an explanation of the fundamental reasons (especially an explanation of the working of some device in terms of laws of nature)

Definition source: Princeton WordNet 3.0

Examples

  • the rationale for capital punishment
  • the principles of internal-combustion engines

Meaning relationships

Synonyms: rationale

Antonyms: none provided

Broader terms: explanation

Narrower terms: dialectics

13

noun

Meaning 13

a basic truth or law or assumption

Definition source: Princeton WordNet 3.0

Examples

  • the principles of democracy

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: law, natural law

Narrower terms: dictate, fundamentals, basics, fundamental principle, basic principle, bedrock, logic, pleasure principle, pleasure-pain principle, pleasure-unpleasure principle, reality principle, insurrectionism, conservation, Tao

14

noun

Meaning 14

a rule or law concerning a natural phenomenon or the function of a complex system

Definition source: Princeton WordNet 3.0

Examples

  • the principle of the conservation of mass
  • the principle of jet propulsion
  • the right-hand rule for inductive fields

Meaning relationships

Synonyms: rule

Antonyms: none provided

Broader terms: law, law of nature

Narrower terms: Gestalt law of organization, Gestalt principle of organization, Le Chatelier's principle, Le Chatelier's law, Le Chatelier principle, Le Chatelier-Braun principle, Gresham's Law, mass-energy equivalence, Naegele's rule, Occam's Razor, Ockham's Razor, principle of parsimony, law of parsimony, principle of equivalence, principle of liquid displacement, principle of superposition, Huygens' principle of superposition, superposition principle, superposition, mass-action principle, mass action, localization of function, localisation of function, localization principle, localisation principle, localization, localisation

15

noun

Meaning 15

a basic generalization that is accepted as true and that can be used as a basis for reasoning or conduct

Definition source: Princeton WordNet 3.0

Examples

  • their principles of composition characterized all their works

Meaning relationships

Synonyms: rule

Antonyms: none provided

Broader terms: generalization, generalisation, generality

Narrower terms: pillar, yang, yin, feng shui

16

noun

Meaning 16

a rule or standard especially of good behavior

Definition source: Princeton WordNet 3.0

Examples

  • a man of principle
  • he will not violate his principles

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: value

Narrower terms: accounting principle, accounting standard, chivalry, knightliness, ethic, moral principle, value-system, value orientation, Hellenism, legal principle, judicial principle, judicial doctrine, scruple

17

noun

Meaning 17

rule of personal conduct

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: precept

Antonyms: none provided

Broader terms: rule, prescript

Narrower terms: higher law, moral principle, hypothetical imperative, caveat emptor

History

Etymology

From Middle English principle, from Old French principe, from Latin prīncipium (“beginning, foundation”), from prīnceps (“first”). By surface analysis, prīmus (“first”) + -ceps (“catcher”); the former ultimately from Proto-Indo-European *preh2- (“before”); see also prince.

Across languages

Translations

207 source translations are retained for this English entry.

  • Albanian: parim — fundamental assumption
  • Arabic: مَبْدَأ (mabdaʔ) — fundamental assumption
  • Arabic: قاعِدَة (qāʕida) — fundamental assumption
  • Armenian: սկզբունք (skzbunkʻ) — fundamental assumption
  • Armenian: սկզբնապատճառ (skzbnapatčaṙ) — fundamental assumption
  • Armenian: պրինցիպ (princʻip) — fundamental assumption
  • Asturian: principiu — fundamental assumption
  • Azerbaijani: prinsip — fundamental assumption
  • Belarusian: пры́нцып (prýncyp) — fundamental assumption
  • Bengali: নিয়ম (niẏom) — fundamental assumption
  • Bulgarian: при́нцип (príncip) — fundamental assumption
  • Burmese: နိယာမ (ni.yama.) — fundamental assumption
  • Catalan: principi — fundamental assumption
  • Chinese Cantonese: 原理 (jyun4 lei5) — fundamental assumption
  • Chinese Cantonese: 原則 /原则 (jyun4 zak1) — fundamental assumption
  • Chinese Mandarin: 原理 (yuánlǐ) — fundamental assumption
  • Chinese Mandarin: 原則 /原则 (yuánzé) — fundamental assumption
  • Czech: zásada — fundamental assumption
  • Czech: princip — fundamental assumption
  • Danish: princip — fundamental assumption
  • Dutch: principe — fundamental assumption
  • Dutch: beginsel — fundamental assumption
  • Esperanto: principo — fundamental assumption
  • Estonian: põhimõte — fundamental assumption
  • Estonian: printsiip — fundamental assumption
  • Finnish: perusoletus — fundamental assumption
  • Finnish: peruste — fundamental assumption
  • Finnish: prinsiippi — fundamental assumption
  • French: principe — fundamental assumption
  • Georgian: პრინციპი (ṗrinciṗi) — fundamental assumption
  • German: Grundsatz — fundamental assumption
  • German: Prinzip — fundamental assumption
  • Greek: αρχή (archí) — fundamental assumption
  • Hebrew: עִקָּרוֹן (ikarón) — fundamental assumption
  • Hindi: जड़सूत्र (jaṛsūtra) — fundamental assumption
  • Hindi: असूल (asūl) — fundamental assumption
  • Hindi: क़ायदा (qāydā) — fundamental assumption
  • Hindi: नियम (niyam) — fundamental assumption
  • Hungarian: elv — fundamental assumption
  • Icelandic: lögmál — fundamental assumption
  • Icelandic: prinsipp — fundamental assumption
  • Indonesian: prinsip — fundamental assumption
  • Irish: prionsabal — fundamental assumption
  • Italian: principio — fundamental assumption
  • Japanese: 原理 (genri) — fundamental assumption
  • Japanese: 原則 (gensoku) — fundamental assumption
  • Kazakh: қағида (qağida) — fundamental assumption
  • Kazakh: қағидат (qağidat) — fundamental assumption
  • Kazakh: ұстаным (ūstanym) — fundamental assumption
  • Khmer: គោលការណ៍ (kool kaa) — fundamental assumption
  • Khmer: មូលភាព (muulĕəʼphiəp) — fundamental assumption
  • Korean: 원리 (wolli) — fundamental assumption
  • Korean: 원칙 (wonchik) — fundamental assumption
  • Northern Kurdish: prensîp — fundamental assumption
  • Kyrgyz: принцип (printsip) — fundamental assumption
  • Kyrgyz: ынаным (ınanım) — fundamental assumption
  • Lao: ຫລັກ (lak) — fundamental assumption
  • Lao: ກະທູ້ (ka thū) — fundamental assumption
  • Lao: ຫຼັກການ (lak kān) — fundamental assumption
  • Latin: institūtum — fundamental assumption
  • Latvian: princips — fundamental assumption
  • Lithuanian: principas — fundamental assumption
  • Luxembourgish: Prinzip — fundamental assumption
  • Macedonian: принцип (princip) — fundamental assumption
  • Macedonian: начело (načelo) — fundamental assumption
  • Malay: prinsip — fundamental assumption
  • Malayalam: തത്ത്വം (tattvaṁ) — fundamental assumption
  • Maltese: prinċipju — fundamental assumption
  • Māori: mātāpono — fundamental assumption
  • Mongolian: зарчим (zarčim) — fundamental assumption
  • Norwegian Bokmål: prinsipp — fundamental assumption
  • Pashto: اصل (asul) — fundamental assumption
  • Pashto: قاعده (qā'ida) — fundamental assumption
  • Iranian Persian: اَصْل (asl) — fundamental assumption
  • Iranian Persian: قاعِدِه (ġâ'ede) — fundamental assumption
  • Polish: zasada — fundamental assumption
  • Polish: reguła — fundamental assumption
  • Portuguese: princípio — fundamental assumption
  • Quechua: tiksi — fundamental assumption
  • Romanian: principiu — fundamental assumption
  • Russian: при́нцип (príncip) — fundamental assumption
  • Sanskrit: नियम (niyamá) — fundamental assumption
  • Scottish Gaelic: prionnsabal — fundamental assumption
  • Serbo-Croatian: прѝнцӣп — fundamental assumption
  • Serbo-Croatian: наче́ло — fundamental assumption
  • Serbo-Croatian: prìncīp — fundamental assumption
  • Serbo-Croatian: načélo — fundamental assumption
  • Slovak: zásada — fundamental assumption
  • Slovak: princíp — fundamental assumption
  • Slovene: princip — fundamental assumption
  • Slovene: načelo — fundamental assumption
  • Spanish: principio — fundamental assumption
  • Swedish: princip — fundamental assumption
  • Tagalog: simulain — fundamental assumption
  • Tajik: принтсип (printsip) — fundamental assumption
  • Tajik: асос (asos) — fundamental assumption
  • Tajik: усул (usul) — fundamental assumption
  • Tajik: қоида (qoyida) — fundamental assumption
  • Tajik: асл (asl) — fundamental assumption
  • Thai: หลัก (làk) — fundamental assumption
  • Thai: คติ (ká-dtì) — fundamental assumption
  • Thai: กฎ (gòt) — fundamental assumption
  • Thai: นโยบาย (ná-yoo-baai) — fundamental assumption
  • Thai: หลักการ (làk-gaan) — fundamental assumption
  • Turkish: prensip — fundamental assumption
  • Turkish: ilke — fundamental assumption
  • Ottoman Turkish: تمل (temel) — fundamental assumption
  • Turkmen: prinsip — fundamental assumption
  • Ukrainian: при́нцип (prýncyp) — fundamental assumption
  • Urdu: قاعِدَہ (qā'ida) — fundamental assumption
  • Urdu: اَصْل (asl) — fundamental assumption
  • Uyghur: پرىنسىپ (prinsip) — fundamental assumption
  • Uzbek: prinsip — fundamental assumption
  • Vietnamese: nguyên lí — fundamental assumption
  • Vietnamese: nguyên tắc — fundamental assumption
  • Volapük: prinsip — fundamental assumption
  • Welsh: egwyddor — fundamental assumption
  • Yiddish: פּרינציפּ (printsip) — fundamental assumption
  • Armenian: օրենք (ōrenkʻ) — rule to solve a problem
  • Armenian: սկզբունք (skzbunkʻ) — rule to solve a problem
  • Bulgarian: пра́вило (právilo) — rule to solve a problem
  • Esperanto: principo — rule to solve a problem
  • Finnish: periaate — rule to solve a problem
  • French: principe — rule to solve a problem
  • German: Prinzip — rule to solve a problem
  • Hebrew: עִקָּרוֹן (ikarón) — rule to solve a problem
  • Italian: regola — rule to solve a problem
  • Japanese: 主義 (shugi) — rule to solve a problem
  • Japanese: 原則 (gensoku) — rule to solve a problem
  • Kazakh: принцип (prinsip) — rule to solve a problem
  • Kazakh: қағидат (qağidat) — rule to solve a problem
  • Norwegian Bokmål: prinsipp — rule to solve a problem
  • Norwegian Nynorsk: prinsipp — rule to solve a problem
  • Polish: zasada — rule to solve a problem
  • Polish: reguła — rule to solve a problem
  • Portuguese: princípio — rule to solve a problem
  • Russian: при́нцип (príncip) — rule to solve a problem
  • Scottish Gaelic: prionnsabal — rule to solve a problem
  • Slovene: načelo — rule to solve a problem
  • Spanish: principio — rule to solve a problem
  • Swedish: princip — rule to solve a problem
  • Tagalog: simulain — rule to solve a problem
  • Ukrainian: при́нцип (prýncyp) — rule to solve a problem
  • Welsh: egwyddor — rule to solve a problem
  • Armenian: սկզբունք (skzbunkʻ) — moral rule or aspect
  • Bulgarian: при́нцип (príncip) — moral rule or aspect
  • Catalan: principi — moral rule or aspect
  • Chinese Mandarin: 原則 /原则 (yuánzé) — moral rule or aspect
  • Czech: zásada — moral rule or aspect
  • Dutch: principe — moral rule or aspect
  • Esperanto: principo — moral rule or aspect
  • Estonian: põhimõte — moral rule or aspect
  • Finnish: periaate — moral rule or aspect
  • Finnish: prinsiippi — moral rule or aspect
  • French: principe — moral rule or aspect
  • German: Prinzip — moral rule or aspect
  • Hebrew: עִקָּרוֹן (ikarón) — moral rule or aspect
  • Icelandic: prinsipp — moral rule or aspect
  • Italian: principio — moral rule or aspect
  • Italian: valore — moral rule or aspect
  • Japanese: 主義 (shugi) — moral rule or aspect
  • Japanese: 信念 (shinnen) — moral rule or aspect
  • Japanese: 行動指針 (kōdō shishin) — moral rule or aspect
  • Kazakh: қағидат (qağidat) — moral rule or aspect
  • Central Kurdish: بیرو باوەر (bîru bawer) — moral rule or aspect
  • Malayalam: തത്ത്വം (tattvaṁ) — moral rule or aspect
  • Māori: mātāpono — moral rule or aspect
  • Middle English: comaundement — moral rule or aspect
  • Norwegian Bokmål: prinsipp — moral rule or aspect
  • Norwegian Nynorsk: prinsipp — moral rule or aspect
  • Polish: zasada — moral rule or aspect
  • Portuguese: princípio — moral rule or aspect
  • Russian: при́нцип (príncip) — moral rule or aspect
  • Sanskrit: उपदेश (upadeśa) — moral rule or aspect
  • Scottish Gaelic: prionnsabal — moral rule or aspect
  • Slovene: načelo — moral rule or aspect
  • Spanish: principio — moral rule or aspect
  • Swedish: princip — moral rule or aspect
  • Tagalog: simulain — moral rule or aspect
  • Turkish: ilke — moral rule or aspect
  • Turkish: prensip — moral rule or aspect
  • Ukrainian: при́нцип (prýncyp) — moral rule or aspect
  • Welsh: egwyddor — moral rule or aspect
  • Armenian: սկզբունք (skzbunkʻ) — rule of nature
  • Bulgarian: при́нцип (príncip) — rule of nature
  • Czech: princip — rule of nature
  • Esperanto: principo — rule of nature
  • Finnish: luonnonlaki — rule of nature
  • French: principe — rule of nature
  • German: Naturgesetz — rule of nature
  • Hebrew: עִקָּרוֹן (ikarón) — rule of nature
  • Italian: principio — rule of nature
  • Japanese: 原理 (genri) — rule of nature
  • Korean: 원리 (wolli) — rule of nature
  • Malayalam: തത്ത്വം (tattvaṁ) — rule of nature
  • Norwegian Bokmål: prinsipp — rule of nature
  • Norwegian Nynorsk: prinsipp — rule of nature
  • Polish: prawo — rule of nature
  • Polish: zasada — rule of nature
  • Portuguese: princípio — rule of nature
  • Scottish Gaelic: prionnsabal — rule of nature
  • Spanish: principio — rule of nature
  • Tagalog: simulain — rule of nature
  • Turkish: ilke — rule of nature
  • Turkish: kanun — rule of nature
  • Ottoman Turkish: قاعده (kaʿide) — rule of nature
  • Ukrainian: зако́н (zakón) — rule of nature
Real reading context

principle in complete knowledge articles