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estimate - definition and synonyms


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verb [transitive] estimate pronunciation in British English /ˈestɪmeɪt/
Word Forms
present tense
present participleestimating
past tenseestimated
past participleestimated
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  1. to say what you think an amount or value will be, either by guessing or by using available information to calculate it

    It’s difficult to estimate the cost of making your house safe.

    The Antarctic ice cap is estimated to contain 90% of the world’s fresh water.

    estimate something at something:

    The total cost was estimated at £600,000.

    estimate (that):

    We estimate that 20 per cent of the harvest has been lost.

    estimate how much/many:

    It is impossible to estimate how many of the residents were affected.

derived word



An estimated 300,000 people came to the demonstration.


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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an electric skateboard

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