Definition of Rapid

1. Noun. A part of a river where the current is very fast.

Group relationships: River
Generic synonyms: Waterway

2. Adjective. Done or occurring in a brief period of time. "A rapid rise through the ranks"
Similar to: Fast
Derivative terms: Rapidity, Rapidness

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

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. Adjective. Describes a process or concept which occurs quickly. ¹

2. Noun. (often in the plural) a rough section of a river or stream which is difficult to navigate due to the swift and turbulent motion of the water. ¹

¹ Source:

Definition of Rapid

1. moving or acting with great speed [adj -IDER, -IDEST] : RAPIDLY [adv] / a fast-moving part of a river [n -S]

Rapid Pictures

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Lexicographical Neighbors of Rapid

raphe pharyngis
raphe pontis
raphe pterygomandibularis
raphe retinae
raphespinal fibres
rapid (current term)
rapid canities
rapid climb
rapid decompression
rapid demineralization
rapid eye movement
rapid eye movement sleep
rapid eye movements
rapid film changer
rapid fire
rapid growth
rapid plasma reagin
rapid plasma reagin test
rapid transit

Literary usage of Rapid

Below you will find example usage of this term as found in modern and/or classical literature:

1. The Encyclopedia Americana: A Library of Universal Knowledge (1918)
"Larger scale view (to the right) of auxiliary jet for " idling " engine and fuel reserve for rapid acceleration. Main jet in choke-tube has central channel ..."

2. The Iliad of Homer by Homer (1796)
"O'er fields of death they whirl the rapid car, And break the ranks, and thunder thro' the ... or fhun the goal With rapid wheels, or fronted brigades form. ..."

3. The Writings of Henry David Thoreau by Henry David Thoreau (1893)
"If you scan the horizon at this season you are very likely to detect a flock of dark ducks moving with rapid wing athwart the sky, or see the undulating ..."

4. The Novels of Jane Austen by Jane Austen (1892)
"FANNY was right enough in not expecting to hear from Miss Crawford now, at the rapid rate in which their correspondence had begun ; Mary's next letter was ..."

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