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instinct

n. · adj.
US //ˈɪnstɪŋkt// in·stinct
  1. 1 natural behavior (n.)
    B2 Upper Intermediate Science

    a natural way of acting that animals and people are born with.

    an innate, typically fixed pattern of behavior in animals in response to certain stimuli.

    Example

    Birds have a natural instinct to build nests in the springtime.

    Example

    The migratory instinct in certain species of butterflies remains one of the most fascinating subjects in behavioral biology.

  2. 2 intuitive feeling (n.)
    B2 Upper Intermediate

    a feeling that makes you do something without having to think about it first.

    a natural aptitude or intuitive way of acting or thinking without conscious deliberation.

    Example

    My first instinct was to run, but I decided to stay and help.

    Example

    Her professional instinct told her that the deal was too good to be true, despite the impressive figures presented by the board.

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  1. 3 filled with (adj.)
    C2 Proficiency Archaic Literary

    filled or charged with a specific quality or feeling.

    imbued or charged with a particular quality, emotion, or spirit.

    Example

    The old forest was instinct with a strange and quiet energy.

    Example

    The poet described a landscape instinct with life, where every leaf and stone seemed to vibrate with a hidden spirit.

    Usage

    Usually followed by the preposition 'with'.

Origin

From Latin īnstīnctus, past participle of īnstinguō (“to incite, to instigate”), from in (“in, on”) + stinguō (“to prick”).

Word family
Idioms1 entry

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