• 180

    Origin

    From 180-degree turn

    Full definition of 180

    Noun

    180

    (plural 180s)
    1. An instance of spinning 180 degrees, so that one is facing in the opposite direction.He did a 180 off the diving board.
    2. (figuratively) The exact opposite.The friendly welcome was a 180 from what she had been expecting
    3. (figuratively, by extension) A complete change of direction or opinion.She used to like turnips, but she did a 180 and now hates them.

    Usage notes

    Often used with do.

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