influential

[in-floo-en-shuhl] / ˌɪn fluˈɛn ʃəl /

ADJECTIVE

effective, powerful

Synonyms

STRONGEST

authoritative dominant famous important leading persuasive prominent significant strong

WEAK

affecting big-gun big-wheel controlling efficacious forcible governing guiding impressive inspiring instrumental major-league meaningful momentous moving name potent substantial telling touching weighty

Antonyms

STRONGEST

inconspicuous inferior insignificant obscure subordinate trivial unimportant unknown

WEAK

ineffective ineffectual uninfluential unmoving weak

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

While the idea was influential, it remained unproven because carbenes were known to be too unstable, especially in water, to capture or study.

From Science Daily • Apr. 11, 2026

Since 1999 — more than two decades as America’s most culturally influential music festival — music has dominated the spotlight at Coachella.

From Los Angeles Times • Apr. 10, 2026

According to a 2025 Deloitte survey, 63% of Gen Zers said ads or product reviews on social media were most influential to their purchasing decisions.

From Barron's • Apr. 10, 2026

I don’t think we know the answer to that, but one of the reasons why the OLC is so influential is its opinions are sort of treated as binding within the executive branch.

From Slate • Apr. 9, 2026

The Candor all know Marcus is the most influential government official, and some of them must have read the article jeanine released about his cruelty toward his son.

From "Insurgent" by Veronica Roth

Vocabulary lists containing influential

Very Necessary: Synonyms for "Important"

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Latin Love, Vol II: fluere

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Unwind

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