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English definition of “rapid”

rapid

adjective     /ˈræp.ɪd/
B2 fast or sudden : The 1990s were a period of rapid change / growth . I was startled by a rapid movement to my left . His response to the accusation was rapid.Fast and rapidShort in time rapidity     /rəˈpɪd.ɪ.ti/ US  /-ə.t̬i/ noun [U] formal rapidly     /-li/ adverb Fast and rapidShort in time
(Definition of rapid adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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