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WordReference Random House Learner's Dictionary of American English © 2024rap•id /ˈræpɪd/USA pronunciation adj., -er, -est, n. adj. - fast, quick-moving, swift:rapid motion; rapid growth.
n. - GeographyUsually, rapids. [plural] a part of a river where the current runs very swiftly.
ra•pid•i•ty /rəˈpɪdɪti/USA pronunciation rap•id•ness, n. [uncountable] rap•id•ly, adv. See -rape-. WordReference Random House Unabridged Dictionary of American English © 2024rap•id (rap′id),USA pronunciation adj., -er, -est, n. adj. - occurring within a short time;
happening speedily:rapid growth. - moving or acting with great speed;
swift:a rapid worker. - characterized by speed:rapid motion.
n. - GeographyUsually, rapids. a part of a river where the current runs very swiftly.
- Latin rapidus tearing away, seizing, swift. See rape1, -id4
- 1625–35
- 2.See corresponding entry in Unabridged See quick.
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