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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.

North is poised to replace Luke Wright in the most significant change in England's backroom staff since the 4-1 Ashes defeat.

From BBC • May 7, 2026

“The University of California is facing the most significant disruption to our research enterprise in our history,” Milliken said, pointing to federal funding cuts.

From Los Angeles Times • May 6, 2026

Wednesday will be “one of the most significant earnings days in recent memory,” Matt Stucky, chief portfolio manager at Northwestern Mutual, told MarketWatch.

From MarketWatch • Apr. 26, 2026

In the most significant Middle East oil shocks since the 1956 Suez crisis, supply has taken on average about eight months to normalize, he says in a note.

From The Wall Street Journal • Apr. 23, 2026

“Visual strategies are most significant to students whose hearing is compromised. It’s their primary means for receiving information.”

From "Music and the Child" by Natalie Sarrazin