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adjective [usually before noun] American English pronunciation: hidden /ˈhɪd(ə)n/
  1. 1
    if something is hidden, most people do not know about it or understand it

    Jones has recently revealed hidden talents as an actor.

    the hidden costs of being in the hospital

  2. 2
    a hidden object or place is not easy to find

    a hidden tape recorder/camera

    hidden valleys

vocal fry

a speech habit in which a speaker lowers their voice at the end of a sentence

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watchword

a word or phrase that expresses someone’s attitude or intention

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conflict mineral

a mineral which is mined in a place where there is armed conflict, and sold to help pay for weapons

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