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suppose - definition and synonyms


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verb [transitive] suppose pronunciation in American English /səˈpoʊz/
Word Forms
present tense
present participlesupposing
past tensesupposed
past participlesupposed
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  1. 1
    to believe that something is probably true, based on your experience, your knowledge, and any other information that you have

    She was about 35, Dexter supposed.

    The game was not as one-sided as we had supposed.

    suppose (that):

    I suppose she must be delighted about getting the job.

    Scientists can only suppose that the illness is caused by a virus.

    be popularly/commonly/generally etc. supposed (=many people believe it is true):

    Older people can learn much more quickly than is commonly supposed.

    reason to suppose (that):

    We have no reason to suppose that he’s done anything illegal.

    There was good reason to suppose that she had left the country.

    suppose someone to be something:

    She was accompanied by a man whom we supposed to be her husband.

    1. a.
      to think that something is possible, although you do not definitely know if it is
      suppose (that):

      I suppose we could afford a new car.

      You don’t suppose that he’s going to hurt anyone, do you?

    2. b.
      to think that something is true or right, although you are not very happy about this
      suppose (that):

      I suppose I had better get back to work.

      Sarah supposed that she could stay with her parents if all else failed.

  2. 2
    formal to expect that something is true or will happen
    suppose (that):

    The law supposes that parents know what is best for their children.

  3. 3
    spoken used in expressions such as “I suppose you think that’s funny!” when you want to show that you are angry with someone

    I suppose you realize you’ve ruined the carpet?


sea lion

in an online conversation, repeatedly asking a person questions which suggest that you are interested in what they are talking about, but are actually intended to annoy them

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