Standard Lemma guide

ism

name · noun · 8 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.

  • /ˈɪz.əm/
  • US: Recorded audio is listed in the source snapshot.
  • rhymes with -ɪzəm
  • CMU ARPABET: IH1 Z AH0 M Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

name

Meaning 1

Initialism of Institute for Supply Management.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of, initialism

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

name

Meaning 2

Initialism of Indian Summer Monsoon.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of, initialism

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

An ideology, system of thought, or practice that can be described by a word ending in -ism.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: whateverism

Antonyms: none provided

4

noun

Meaning 4

An ideology, system of thought, or practice that can be described by a word ending in -ism.

A form of discrimination, such as racism or sexism.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: whateverism

Antonyms: none provided

5

noun

Meaning 5

Initialism of Imperial Service Medal.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of, initialism

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

noun

Meaning 6

Abbreviation of interstellar medium.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of

Topics: astronomy, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

7

noun

Meaning 7

Initialism of industrial scientific medical.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of, initialism

Qualifier: RF telecommunications

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

8

noun

Meaning 8

a belief (or system of beliefs) accepted as authoritative by some group or school

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: doctrine, philosophy, philosophical system, school of thought

Antonyms: none provided

Broader terms: belief

Narrower terms: nuclear deterrence, Kabbalism, Cabalism, abolitionism, absolutism, amoralism, animalism, animism, antiestablishmentarianism, antiestablishmentism, asceticism, contextualism, creationism, creed, credo, divine right, divine right of kings, dogma, dualism, dynamism, epicureanism, establishmentarianism, establishmentism, ethicism, expansionism, formalism, functionalism, Girondism, gospel, gymnosophy, imitation, individualism, laissez faire, internationalism, unilateralism, irredentism, irridentism, literalism, majority rule, democracy, monism, multiculturalism, nationalism, nihilism, pacifism, pacificism, passivism, pluralism, populism, presentism, rationalism, freethinking, reformism, humanism, secular humanism, humanitarianism, egalitarianism, equalitarianism, feminism, reincarnationism, secessionism, secularism, phenomenology, philosophical doctrine, philosophical theory, states' rights, teaching, precept, commandment, theological doctrine, utilitarianism, descriptivism, prescriptivism, religious doctrine, church doctrine, millennium

History

Etymology

From the suffix -ism (“belief”), particularly (in the 19th century) in the sense of "social movement". Compare phobia, from -phobia, sophy, from -sophy, itis, from -itis, and ana, from -ana.

Across languages

Translations

13 source translations are retained for this English entry.

  • Chinese Mandarin: 主義 /主义 (zhǔyì) — ideology, system of thought or practice
  • Faroese: isma — ideology, system of thought or practice
  • Finnish: ismi — ideology, system of thought or practice
  • Finnish: oppijärjestelmä — ideology, system of thought or practice
  • German: Ismus — ideology, system of thought or practice
  • Hungarian: izmus — ideology, system of thought or practice
  • Polish: izm — ideology, system of thought or practice
  • Portuguese: ismo — ideology, system of thought or practice
  • Russian: изм (izm) — ideology, system of thought or practice
  • Serbo-Croatian: izam — ideology, system of thought or practice
  • Serbo-Croatian: изам — ideology, system of thought or practice
  • Vietnamese: chủ nghĩa — ideology, system of thought or practice
  • Vietnamese: học thuyết — ideology, system of thought or practice