Definition of serious in English:


Line breaks: ser|ious
Pronunciation: /ˈsɪərɪəs


  • 2Acting or speaking sincerely and in earnest, rather than in a joking or half-hearted manner: actors who are serious about their work
    More example sentences
    • These frank statements suggest that he is sincere and serious about exposing the problems and proposing solutions.
    • If it was serious about a long-term commitment to Mitsubishi, then why isn't it willing to bail it out?
    • Better to try to look half way serious about this now, rather than after the names break.
    in earnest, earnest, sincere, wholehearted, genuine, meaning what one says; committed, firm, resolute, resolved, determined
  • 3Significant or worrying because of possible danger or risk; not slight or negligible: she escaped serious injury
    More example sentences
    • To allow that to happen is to put the child itself at terrible risk of serious injury or death if there is an accident.
    • It is better to speak of an unlawful and dangerous act carrying with it an appreciable risk of serious injury.
    • People deserve better - not just those living there but the motorists who risk death or serious injury every day.
    severe, grave, bad, critical, acute, alarming, worrying, grievous, dreadful, terrible, dire, extreme, dangerous, perilous, precarious
    archaic or • humorous parlous
  • 4 [attributive] informal Substantial in terms of size, number, or quality: he suddenly had serious money to spend
    More example sentences
    • So, I am making a shopping list and plan to be spending some serious money!
    • No, Blair's Britain had a minimum wage, a New Deal for the unemployed and spent serious money on health and education.
    • Yes, turkey hunters love to hunt and are willing to spend serious money in this growing market.


late Middle English: from Old French serieux or late Latin seriosus, from Latin serius 'earnest, serious'.

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