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- Dictionaryfast/fɑːst/
adjective
- 1. moving or capable of moving at high speed: "a fast and powerful car" Similar Opposite
- 2. (of a clock or watch) showing a time ahead of the correct time: "I keep my watch fifteen minutes fast"
adverb
- 1. at high speed: "he was driving too fast" Similar Opposite
- 2. so as to be hard to move; securely: "the ship was held fast by the anchor chain" Similar
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FAST definition: 1. moving or happening quickly, or able to move or happen quickly: 2. If your watch or clock is…. Learn more.
Fast means happening, moving, or doing something at great speed. You also use fast in questions or statements about speed.
1. a. : firmly fixed. roots fast in the ground. b. : tightly shut. the drawers were fast. c. : adhering firmly. The boards were fast a few hours after being glued together. d. : not easily freed : stuck. a ball fast in the mouth of the cannon. e. : stable. movable items were made fast to the deck. 2. : firmly loyal.
Fast definition: moving or able to move, operate, function, or take effect quickly; quick; swift; rapid. See examples of FAST used in a sentence.
FAST definition: 1. moving, happening, or doing something quickly: 2. If a clock or watch is fast, it shows a time…. Learn more.
1. Acting, moving, or capable of acting or moving quickly; swift. 2. a. Accomplished in relatively little time: a fast visit. b. Acquired quickly with little effort and sometimes unscrupulously: made a fast buck scalping tickets. 3. Quick to understand or learn; mentally agile: a class for the faster students. 4.
Fast definition: moving or able to move, operate, function, or take effect quickly; quick; swift; rapid. See examples of FAST used in a sentence.