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most significant

ADJECTIVE

telling, meaningful

Synonyms

STRONGEST

compelling important momentous powerful serious symbolic

WEAK

cogent convincing denoting eloquent expressing expressive facund forceful heavy indicative knowing meaning pregnant representative rich sententious sound suggestive valid weighty

Antonyms

STRONGEST

insignificant trivial unimportant

WEAK

meaningless minor

ADJECTIVE

important, critical

Synonyms

STRONGEST

big consequential considerable meaningful momentous notable noteworthy serious substantial vital

WEAK

carrying a lot of weight heavy material weighty

Antonyms

STRONGEST

dull inconsequential insignificant little minor ordinary small trivial unimportant unnoticeable

WEAK

meaningless

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 Raman and Bass have much in common, the most significant difference between them is on homelessness, Sannappa said.

From Los Angeles Times • Jun. 7, 2026

Military spokesperson Lt-Col Haruna M Sani described the assault on Boko Haram's Mandara mountain hideout, "under cover of darkness", as one of the military's "most significant hostage rescue operations" in the north-east.

From BBC • Jun. 7, 2026

It may be the most significant day in American sports history.

From The Wall Street Journal • Jun. 7, 2026

The latest fundraising round confirmed Anthropic's place as one of the most significant players in AI, having built its reputation by focusing on delivering generative AI to enterprise clients.

From Barron's • Jun. 1, 2026

Arguably the most significant reform is the creation of an “innocent owner” defense.

From "The New Jim Crow" by Michelle Alexander