Synonyms of rapid


1. rapid, waterway

usage: a part of a river where the current is very fast


1. rapid, fast (vs. slow)

usage: done or occurring in a brief period of time; "a rapid rise through the ranks"

2. rapid, speedy, fast (vs. slow)

usage: characterized by speed; moving with or capable of moving with high speed; "a rapid movement"; "a speedy car"; "a speedy errand boy"

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Definition and meaning of rapid (Dictionary)