Synonyms of key in English:

key

noun

  • 1 I put my key in the lock
  • 2 the key to the mystery the key to success
    answer, clue, solution, explanation; basis, foundation, requisite, precondition, means, way, route, path, passport, secret, formula
  • adjective

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  • 1 a key figure
    crucial, central, essential, indispensable, pivotal, critical, dominant, vital, principal, prime, primary, chief, major, leading, main, important, significant
    [Antonyms] peripheral
  • Definition of key in:

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    Word of the day impudicity
    Pronunciation: ˌimpyəˈdisitē
    noun
    lack of modesty