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could have (done something) - definition and synonyms

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90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent.

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phrase spoken
  1. 1
    used for saying that something was possible in the past, even though it did not happen

    You could have been killed.

    I could have told you, but I didn’t think you would listen.

    She could have married Gerald if she’d wanted to.

    Synonyms and related words
  2. 2
    used for saying that perhaps something was true, although you do not really know

    The explosion could have been caused by a gas leak.

    It could have been Dan, but I’m not sure.

    Synonyms and related words
See also main entry: could


a lifestyle focussing on simple pleasures such as comfort and cosiness in the home, and spending time with friends and family

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a form of location that involves the underwater detonation of a bomb which causes sound waves that are picked up by ships

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