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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.

The club's next two most significant shareholders are Czech businessman Daniel Kretinsky and Vanessa Gold - the daughter of David who died in January 2023 - who own 27% and 25.1% respectively.

From BBC • Jun. 9, 2026

As electronic devices continue to become smaller and more powerful, removing excess heat has become one of the most significant engineering challenges.

From Science Daily • Jun. 8, 2026

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

The move marks one of the most significant efforts yet to open up the crypto world to the banking industry.

From The Wall Street Journal • Jun. 4, 2026

One of the most significant facts about the chlorinated hydrocarbon insecticides is their effect on the liver.

From "Silent Spring" by Rachel Carson