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sure - definition and synonyms


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adverb sure pronunciation in American English /ʃʊr/
Word Forms
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  1. 1
    spoken used for saying yes or for agreeing to something
    “Can I borrow your green sweater?” “Sure, no problem.”
    1. a.
      used as a reply when someone thanks you
      “I really appreciate all your help.” “Sure, anytime.”
  2. 2
    informal used for emphasizing what you are saying
    It sure looks like it’s going to snow.
    sure as hell: I sure as hell didn’t spend all that money for a car that doesn’t run.
  3. 3
    informal used before a statement for admitting that something is true, especially when you then say something that is opposite
    Sure, it’s a good deal. I just don’t think I can afford it.



a course of study which is much shorter than a university course and focuses on the skills you need for a job, especially computer-related skills

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a stupid person

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an ancient Roman system of underfloor heating, used to heat houses with hot air; from the Latin 'hypocaustum'

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