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serious

/ˈsɪɚ.i.əs/adjective3 syllables

Serious means: concerned with work or important matters rather than play or trivialities.

Synonyms for serious24

adjective, as in concerned with work or important matters rather than play or trivialities

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

adjective, as in causing fear or anxiety by threatening great harm

dangerous, grave, grievous, severe, life-threatening, critical

adjective, as in of great consequence

important, of import

adjective, as in appealing to the mind

adjective, as in completely lacking in playfulness

unplayful, sober

adjective, as in requiring effort or concentration; complex and not easy to answer or solve

Opposites of serious

frivolous

What does serious mean?6

adjective

1

concerned with work or important matters rather than play or trivialities“a serious student of history”

2

causing fear or anxiety by threatening great harm“a dangerous operation”

3

of great consequence“marriage is a serious matter”

4

appealing to the mind“good music”

5

completely lacking in playfulness

6

requiring effort or concentration; complex and not easy to answer or solve“raised serious objections to the proposal”

Definitions from the Open English WordNet, CC BY 4.0.

What rhymes with serious?2

four syllables

mysteriousdelirious
Show 40 near rhymes

Serious in a sentence

  • I got hurt during an experiment, and the injury was pretty serious.minshirui
  • You are coming down with the flu, or something serious.unknown
  • I'm a bit serious today, but please bear with me.CM
  • If he dies now, the situation will become serious.Zifre
  • There are few places downtown for parking, which is a serious problem.CM
  • As time has passed, the problem has proved more serious.unknown
  • When talking about his hobby, he always puts on a serious expression.unknown
  • On the religious side, the decision caused serious dissension among followers.unknown

Sentences from Tatoeba, CC BY 2.0 FR, credited to their authors.