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Definition of Rapid
1. Noun. A part of a river where the current is very fast.
2. Adjective. Done or occurring in a brief period of time. "A rapid rise through the ranks"
3. Adjective. Characterized by speed; moving with or capable of moving with high speed. "A speedy errand boy"
Exact synonyms: Speedy
Similar to: Fast
Derivative terms: Rapidity, Rapidness, Speed, Speed, Speediness
Similar to: Fast
Derivative terms: Rapidity, Rapidness, Speed, Speed, Speediness
Definition of Rapid
1. a. Very swift or quick; moving with celerity; fast; as, a rapid stream; a rapid flight; a rapid motion.
2. n. The part of a river where the current moves with great swiftness, but without actual waterfall or cascade; -- usually in the plural; as, the Lachine rapids in the St. Lawrence.
Definition of Rapid
1. moving or acting with great speed [adj -IDER, -IDEST] : RAPIDLY [adv] / a fast-moving part of a river [n -S]