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
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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)
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
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