Antonyms of serious from BoostVocab

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serious

/'siriəs/

Synonyms of serious Antonyms of serious Examples of serious Usage of serious Parts of serious Definition that contains serious Words sounding like serious Explanation of serious

adjective
appealing to the mind
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"a serious book"

Similar:

good intellectual
adjective
completely lacking in playfulness
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Similar:

sober unplayful
adjective
causing fear or anxiety by threatening great harm
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"a serious wound" "a serious turn of events"

Similar:

dangerous grave grievous life-threatening severe critical
adjective
concerned with work or important matters rather than play or trivialities
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"a serious student of history" "a serious attempt to learn to ski" "gave me a serious look" "a serious young man" "are you serious or joking?" "Don't be so serious!"

Similar:

thoughtful grave solemn solid earnest overserious real sedate serious-minded sincere sober sobering

Opposite:

frivolous
adjective
of great consequence
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"marriage is a serious matter"

Similar:

important of import
adjective
requiring effort or concentration; complex and not easy to answer or solve
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"raised serious objections to the proposal" "the plan has a serious flaw"

Similar:

hard difficult

Antonyms of serious