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sure - definition and synonyms

 
 
 
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adjective sure pronunciation in British English /ʃɔː(r)/sure pronunciation in British English /ʃʊə(r)/
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adjectivesure
comparativesurer
superlativesurest
 
  1. 1
    certain that something is real, true, or correct
    I think she’s called Monica, but I’m not sure.
    sure (that): Are you sure these figures are right?
    sure (that): I was sure that I had left my keys on the counter.
    sure about: If you’re really sure about the facts, we’ll publish them.
    sure how/why/if etc: No one is really sure why he resigned.
    pretty sure (=fairly certain): I’m pretty sure the pool is open until 6.00.
    Synonyms and related words
    1. a.
      certain about what you feel, what you want, or what you have decided
      ‘I’ll take the blue one.’ ‘Are you sure?’
      not sure how/why/where etc: They’re not really sure where they want to live.
      quite/absolutely sure: I’ll certainly support you, if you’re quite sure that this is what you want.
      Synonyms and related words
    2. b.
      confident and not in any doubt about something
      sure of: If you’re not sure of the answers, say so.
      sure of yourself: He sounded so sure of himself that I began to believe him.
      feel sure (that): I felt sure I could do it if only they’d give me a chance.
      Synonyms and related words
  2. 2
    certain to happen or to result from something
    sure to do something: If you get drunk tonight, you’re sure to feel rotten in the morning.
    a sure thing/bet (=something that will definitely happen): Everyone thought it was a sure thing, and we were amazed when they pulled out.
    for sure: One thing is for sure, I’m never going skydiving again!
    1. a.
      [usually before noun] formal certain to succeed
      He took sure aim and squeezed the trigger.
      a sure path to success
  3. 3
    strong and firm
    in the sure grip of a powerful emotion
    His handshake was sure and confident.
  4. 4
    used about something that is definite and cannot be questioned or doubted
    a sure command of the facts
    a sure memory for names
    a sure sign/indication (=a clear and definite sign that something is true): The increase in new home sales is a sure sign the recession is over.

phrases

derived word

sureness

noun [uncountable]
 

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