adjective, fast·er, fast·est.
- indicating a time in advance of the correct time, as of a clock.
- noting or according to daylight-saving time.
- (of money, profits, etc.) made quickly or easily and sometimes deviously: He earned some fast change helping the woman with her luggage.
- cleverly quick and manipulative in making money: a fast operator when it comes to closing a business deal.
- (of a lens) able to transmit a relatively large amount of light in a relatively short time.
- (of a film) requiring a relatively short exposure time to attain a given density.
- (of a track condition) completely dry.
- (of a track surface) very hard.
adverb, fast·er, fast·est.
Words nearby fast
Idioms for fast
Origin of fast1
SYNONYMS FOR fast
Definition for fast (2 of 3)
verb (used without object)
verb (used with object)
Origin of fast2
OTHER WORDS FROM fastun·fast·ing, adjective
Definition for fast (3 of 3)
Examples from the Web for fast
The focus here was on how fast oil would come out of the Canadian fields.
Both high fashion and the fast, commercial fashion of Target are supposed to be about aspiration.One Vogue Cover Doesn’t Solve Fashion’s Big Race Problem|Danielle Belton|January 2, 2015|DAILY BEAST
And if people find themselves dissatisfied with how often they turn to fast food, Bacon says to try things like batch cooking.
I think it all happened so fast for Sony that they were trying to regroup.The Inside Story of How Sony’s ‘The Interview’ Finally Made It to Theaters|Marlow Stern|December 23, 2014|DAILY BEAST
High flying and fast, the F-22 Raptor stealth jet is by far the most lethal fighter America has ever built.Pentagon Worries That Russia Can Now Outshoot U.S. Stealth Jets|Dave Majumdar|December 4, 2014|DAILY BEAST
It's a very old song now, and bring us as fast as you can to the castle and the marriage.
"I was somewhere about this spot when the half-hour struck last night, for your clocks were fast," remarked Rupert.Trevlyn Hold|Mrs. Henry Wood
Lucy's pathetic tones, which were fast degenerating into sobs, were agreeably interrupted.Love Me Little, Love Me Long|Charles Reade
She told me to be quiet and have courage and all would be well and that I must get well as fast as possible.A Child of the Sea; and Life Among the Mormons|Elizabeth Whitney Williams
The day appointed for sailing was fast approaching, and had to make all speed to get through various engagements in Manilla.Kathay: A Cruise in the China Seas|W. Hastings Macaulay
British Dictionary definitions for fast (1 of 2)
- proof against fadingthe colour is fast to sunlight
- (in combination)washfast
- requiring a relatively short time of exposure to produce a given densitya fast film
- permitting a short exposure timea fast shutter
Word Origin for fast
British Dictionary definitions for fast (2 of 2)
- an act or period of fasting
- (as modifier)a fast day
Derived forms of fastfaster, noun
Word Origin for fast
Idioms and Phrases with fast
In addition to the idioms beginning with fast
- fast and furious
- fast and loose
- fast buck
- fast lane
- fast track
- get nowhere (fast)
- hard and fast
- pull a fast one
- stand one's ground (fast)
- thick and fast