Thesaurus.com

Popular Searches

 Dictionary.com
Definitions

serious

[seer-ee-uhs] / ˈsɪər i əs /
ADJECTIVE
somber, humorless
Synonyms
STRONGEST
deliberate genuine honest severe sincere thoughtful
STRONG
sober
WEAK
austere bound bound and determined businesslike cold sober contemplative deadpan determined downbeat earnest funereal go for broke grave grim intent long-faced meditative no-nonsense pensive pokerfaced reflective resolute resolved sedate set solemn staid steady stern unhumorous unsmiling weighty
Antonyms
STRONGEST
deceptive dishonest false insincere misleading untrustworthy
WEAK
flippant funny happy light minor trivial unimportant unserious
ADJECTIVE
crucial, weighty
Synonyms
STRONGEST
dangerous deep difficult far-reaching grievous important major meaningful severe significant tough urgent
WEAK
arduous fateful fell formidable grave grim hard heavy laborious meaning business menacing momentous no joke no laughing matter of consequence operose out for blood playing hard ball pressing smoking sobering strenuous strictly business threatening ugly unamusing unhumorous worrying
Antonyms
STRONGEST
calm easy facile friendly insignificant little meaningless minor small trivial unimportant worthless
WEAK
flippant funny happy light unserious

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 Brookings analysis suggests that the problem of these combined vulnerabilities, while serious, is bounded.

From The Wall Street Journal

But unlike Kirk, Mr. Fuentes isn’t interested in deliberation or engaging others in serious conversation.

From The Wall Street Journal

Then last September, just before the start of the football season, she started to experience serious pain in her leg.

From Los Angeles Times

A 19-year-old man has been arrested on suspicion of causing serious injury by dangerous driving.

From BBC

The foreign ministers of 10 nations on Tuesday expressed "serious concerns" about a "renewed deterioration of the humanitarian situation" in Gaza, saying the situation was "catastrophic".

From Barron's

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.