American English

Definition of quicken verb from the Oxford Advanced American Dictionary

     

    quicken

     verb
    verb
    NAmE//ˈkwɪkən//
     
    (formal)Verb Forms present simple I / you / we / they quicken
     
    he / she / it quickens
     
    past simple quickened
     
    -ing form quickening
     
     
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  1. 1[intransitive, transitive] to become quicker or make something quicker She felt her heartbeat quicken as he approached. quicken something He quickened his pace to catch up with them.
  2. 2[intransitive, transitive] quicken (something) to become more active; to make something more active His interest quickened as he heard more about the plan.
See the Oxford Advanced Learner's Dictionary entry: quicken