ism

1 of 2

noun

1
: a distinctive doctrine, cause, or theory
2
: an oppressive and especially discriminatory attitude or belief
… we all have got to come to grips with our isms.Joycelyn Elders

-ism

2 of 2

noun suffix

1
a
: act : practice : process
criticism
plagiarism
b
: manner of action or behavior characteristic of a (specified) person or thing
animalism
c
: prejudice or discrimination on the basis of a (specified) attribute
racism
sexism
2
a
: state : condition : property
barbarianism
b
: abnormal state or condition resulting from excess of a (specified) thing
alcoholism
or marked by resemblance to (such) a person or thing
giantism
3
a
: doctrine : theory : religion
Buddhism
b
: adherence to a system or a class of principles
stoicism
4
: characteristic or peculiar feature or trait
colloquialism

Examples of ism in a Sentence

Noun Cubism, Impressionism, and other artistic isms. ageism, racism, sexism, and all the other familiar isms
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
Take one of the marquee pop singles of 2025, a so-wrong-it’s-right, mixolydian monstrosity of new age-isms, Beyoncé runs, and jersey club. Walden Green, Pitchfork, 1 May 2026 His patterns, his slick talk, his mixing of hip-hop-isms with the call and response, the Southernism of fish and grits, just amazing. New York Times, 28 Apr. 2026 That sense of wonder and freedom translated on the runway in various forms, all codified with Tory Burch-isms that give thought to the smallest of details. Vogue, 30 Mar. 2026 For those who lock in, there’s a lot of classic Adult Swim–isms, like awkward silences added to the edit, found footage of ugly and off-putting men, and repetition of graphics packages ad nauseam. Eric Vilas-Boas, Vulture, 18 Mar. 2026 See All Example Sentences for ism

Word History

Etymology

Noun

-ism

Noun suffix

Middle English -isme, from Middle French & Latin; Middle French, partly from Latin -isma (from Greek) & partly from Latin -ismus, from Greek -ismos; Greek -isma & -ismos, from verbs in -izein -ize

First Known Use

Noun

1680, in the meaning defined at sense 1

Time Traveler
The first known use of ism was in 1680

Browse Nearby Words

Cite this Entry

“Ism.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ism. Accessed 6 May. 2026.

Kids Definition

ism

1 of 2 noun
1
: a distinctive belief, cause, or theory
2
: an oppressive and especially discriminatory attitude or belief

-ism

2 of 2 noun suffix
ˌiz-əm
1
a
: act : practice : process
criticism
plagiarism
b
: manner of action or behavior
heroism
2
a
: state : condition : property
skepticism
b
: abnormal state or condition
alcoholism
3
: doctrine : theory : cult
Buddhism
socialism
4
: characteristic or peculiar feature
colloquialism
Etymology

Noun suffix

derived from Greek -isma and Greek -ismos (noun suffixes)

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