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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.

It is “the largest, most significant civic and civil protest since the fall of communism,” he said.

From The Wall Street Journal • Jun. 11, 2026

What’s the most significant thing that happened to Donald Trump in 1977?

From Slate • Jun. 11, 2026

With claims including misuse of his image and unjust enrichment, because Meta makes money from ads on its platform no matter their goal or outcome, Forrest's lawsuit could be one of the most significant.

From BBC • Jun. 11, 2026

One of the most significant aspects of the newly discovered nodal lines is that they are inherently spin-polarized.

From Science Daily • Jun. 5, 2026

Despite the lack of elbow room, they were busy tossing torn bits of paper over the side, creating a steady rain of confetti onto the "greatest and most significant" parade in New York City's history.

From Nazi Saboteurs by Samantha Seiple