quicken - definition and synonyms

verb [intransitive/transitive] 

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present tense
present participlequickening
past tensequickened
past participlequickened
  1. 1
    formal if something quickens, or if you quicken it, it happens or moves more quickly

    She felt her heart quicken as the car approached.

  2. 2
    mainly literary if a feeling quickens, or if something quickens it, it becomes stronger