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  • Definition
    • serious :concerned with work or important matters rather than play or trivialities
      • 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!

    • serious :of great consequence
      • marriage is a serious matter

    • serious :causing fear or anxiety by threatening great harm
      • a dangerous operation|a grave situation|a grave illness|grievous bodily harm|a serious wound|a serious turn of events|a severe case of pneumonia|a life-threatening disease

    • serious :appealing to the mind
      • good music|a serious book

    • serious :requiring effort or concentration; complex and not easy to answer or solve
      • raised serious objections to the proposal|the plan has a serious flaw

    • serious :completely lacking in playfulness

      • {{t.term}} - {{t.type}}
    • Derivative