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serious

ser·i·ous

serious

 
pronunciation:
si ri s
features:
Word Explorer
part of speech: adjective
definition 1: marked by careful thinking or consideration.
He has a serious decision to make.
synonyms:
thoughtful
similar words:
careful, earnest, sincere
definition 2: not smiling or laughing; solemn; grave.
The policeman had a serious look on his face.
synonyms:
earnest, grave, sober
antonyms:
cheerful, comic, comical, frivolous, funny, giddy, humorous, idle, light, lighthearted, merry, playful
similar words:
grim, humorless, severe, solemn, somber
definition 3: important; needing careful thought.
Air pollution is a serious matter.
synonyms:
crucial, grave, heavy, important
antonyms:
minor, ridiculous, trivial
similar words:
earnest, great, momentous, vital
definition 4: dangerous; requiring attention right away.
He has a serious heart problem.A serious storm is heading toward Buffalo.
synonyms:
acute, critical, grave
antonyms:
minor
similar words:
bad, crucial, dangerous, fearful, harmful, hazardous, heavy, menacing, severe
derivations: seriously (adv.), seriousness (n.)
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