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[ UK /sˈi‍əɹɪəs/ ]
[ US /ˈsɪɹiəs/ ]
ADJECTIVE
  1. of great consequence
    marriage is a serious matter
  2. concerned with work or important matters rather than play or trivialities
    are you serious or joking?
    a serious young man
    Don't be so serious!
    a serious student of history
    gave me a serious look
    a serious attempt to learn to ski
  3. appealing to the mind
    good music
    a serious book
  4. completely lacking in playfulness
  5. requiring effort or concentration; complex and not easy to answer or solve
    raised serious objections to the proposal
    the plan has a serious flaw
  6. causing fear or anxiety by threatening great harm
    a severe case of pneumonia
    a serious turn of events
    grievous bodily harm
    a life-threatening disease
    a dangerous operation
    a grave illness
    a grave situation
    a serious wound

How To Use serious In A Sentence

  • The only seriously bad bit is that you become less agile and less strong. Times, Sunday Times
  • Moreover some parts of gain will devolute to Italian Red Cross seriously employed in the disastrous earthquake land that hit the middle lands of Italia few weeks ago. MacMegasite
  • He did his final piece of serious work on Tuesday morning, which was grand, and we have just kept him ticking over with a couple of canters.
  • So they set up this fund to compensate victims in serious cases of abuse.
  • More serious motoring offences such as uninsured driving would carry a £10 surcharge.
  • Hundreds of the aircraft are on order, but loss of the Northwest batch is a serious setback.
  • They seemed to be in a serious mood, perhaps brooding on the deteriorating human behaviour that cannot see that he is cutting the same very branch that he is sitting on.
  • The communication was seriously disrupted by the storm.
  • A serious road accident caused traffic chaos yesterday.
  • Another serious fungal disease in Africa is Fusarium wilt or Panama disease, which attacks the roots of the banana plant, affecting the vascular system required for mineral and water transport.
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