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deteriorate

verb
Saydi-TEER-ee-uh-raytUS/dɪˈtɪɹ.iə.ɹeɪt/UK/dɪˈtɪə.ɹɪə.ɹeɪt/

Formsdeteriorates, deteriorating, deteriorated

2 meanings of deteriorate

Practice

  1. 1
    verbintransitive
    To slowly become worse in condition or quality.

    Like a sandcastle slowly falling apart as the waves wash over it.

    The empty house began to deteriorate after no one lived in it.

    Her health slowly deteriorated over the winter months.

    Similarworsen, decline, degenerate, decay, sour

    Oppositeimprove, recover, rally, strengthen

  2. 2
    verbtransitive
    To make something worse or lower in quality.

    Like leaving a metal tool out in the rain until rust eats away at it.

    Too much sun can deteriorate the paint on a car.

    Years of neglect deteriorated the building's outer walls.

    Similarimpair, degrade, damage, weaken, worsen

    Oppositeimprove, enhance, strengthen, restore

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Origin

It comes from Late Latin "dēteriorō", based on Latin "dēterior" meaning "worse".