gravest

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serious; gloomy adj.
crucial, dangerous adj.

ADJECTIVE

serious; gloomy

Synonyms

STRONG

dignified dull earnest heavy muted quiet sage sedate sober subdued

WEAK

cold sober deadpan dour grim grim-faced leaden long-faced meaningful no-nonsense ponderous sad saturnine solemn somber staid strictly business thoughtful unsmiling

Antonyms

STRONG

agitated boisterous excited light lively trivial unimportant

WEAK

cheerful frivolous funny happy inconsequential ridiculous silly

ADJECTIVE

crucial, dangerous

Synonyms

STRONG

acute fell heavy killing major pressing threatening

WEAK

afflictive consequential critical deadly destructive dire exigent fatal grievous hazardous important life-and-death momentous of great consequence ominous perilous serious severe significant ugly urgent vital weighty

Antonyms

STRONG

insignificant little small trivial unimportant

WEAK

cheerful frivolous funny happy inconsequential ridiculous silly

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.

See Examples For:

gravest

This showdown potentially marks the gravest crisis in the court's 24-year history.

From BBC ● Oct. 9, 2026

"In the face of the gravest danger and despite being seriously injured, he showed immense courage and an unwavering resolve to protect the lives of others."

From Barron's ● Oct. 1, 2026

But many questions remain surrounding the events that posed one of the gravest challenges to the regime of General Abdourahamane Tiani, who himself came to power in a July 2023 coup.

From Barron's ● Aug. 30, 2026

The fear among its supporters is that the court will emerge weakened and less able to face the gravest global threats.

From BBC ● Jul. 24, 2026

“Were it to be otherwise,” he said, “the gravest issues would arise.”

From "Fallout: Spies, Superbombs, and the Ultimate Cold War Showdown" by Steve Sheinkin