- adjectivefast (adjective) · faster (comparative adjective) · fastest (superlative adjective)
- moving or capable of moving at high speed:"a fast and powerful car"
- performed or taking place at high speed; taking only a short time:"the journey was fast and enjoyable"
- performing or able to perform a particular type of action quickly:"a fast reader"
- allowing people or things to move at high speed:"a wide, fast road"
- (of a playing field) likely to make the ball bounce or run quickly or to allow competitors to reach a high speed.
- (of a clock or watch) showing a time ahead of the correct time:"I keep my watch fifteen minutes fast"
- firmly fixed or attached:"he made a rope fast to each corner"
- (of friends) close and loyal:"they remained fast friends"
- photography(of a film) needing only a short exposure:"a 35-mm color film which is ten times faster than Kodacolor II"
- (of a lens) having a large aperture and therefore allowing short exposure times.
- (of a dye) not fading in light or when washed:"the dyes are boiled with the yarn to produce a fast color"
- (of a person or lifestyle) engaging in or involving exciting or shocking activities:"the fast life she led in London"
adverbfast (adverb) · faster (comparative adverb) · fastest (superlative adverb)- at high speed:"he was driving too fast"
- within a short time:"they think they're going to get rich fast"
- so as to be hard to move; securely:"the ship was held fast by the anchor chain"
- so as to be hard to wake:"they were too fast asleep to reply"
OriginOld English fæst ‘firmly fixed, steadfast’ and fæste ‘firmly’, of Germanic origin; related to Dutch vast and German fest ‘firm, solid’ and fast ‘almost’. In Middle English the adverb developed the senses ‘strongly, vigorously’ (compare with run hard), and ‘close, immediate’ (just surviving in the archaic fast by; compare with hard by), hence ‘closely, immediately’ and ‘quickly’; the idea of rapid movement was then reflected in adjectival use.verbfast (verb) · fasts (third person present) · fasted (past tense) · fasted (past participle) · fasting (present participle)- abstain from all or some kinds of food or drink, especially as a religious observance.
nounfast (noun) · fasts (plural noun)- an act or period of fasting:"a five-day fast"
OriginOld English fæstan (verb), of Germanic origin; related to Dutch vasten and German fasten, also to Old Norse fasta, the source of the noun.Similar and Opposite Wordsadjectiveadverbverbnoun- an act or period of fasting:
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