- 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.
OTHER WORDS FOR fast
Idioms about fast
Origin of fast1
synonym study for fast
Other definitions for fast (2 of 3)
Origin of fast2
OTHER WORDS FROM fastun·fast·ing, adjective
Other definitions for fast (3 of 3)
How to use fast in a sentence
Now, it is the most traditional and celebrated Christmas cake in Germany—and definitely not associated with fasting.
Like Lent, the season of Advent was a period of reflection and fasting, and items such as dairy and sugar were forbidden.
And saints are a pretty svelte bunch, what with all the fasting and suffering.
MORE FROM DAILYBURN: What 200 Calories of Nuts Looks Like [Infographic] Intermittent Fasting: Is It Right for You?When Is It OK to Cheat? The Pros and Cons of Cheat Days|DailyBurn|July 14, 2014|DAILY BEAST
Since this hearing was taking place during Ramadan, many of the Muslims had been fasting since sunrise.
He was exceedingly religious, and up to the time of his marriage had led a life devoted to prayer, fasting, and warfare.The Life & Letters of Peter Ilich Tchaikovsky|Modeste Tchaikovsky
The prophet describes the judgments that shall fall upon the people, and invites them to fasting and prayer.
The people inquire concerning fasting: they are admonished to fast from sin.
Trance and ecstasy were the two avenues he knew to divinity; fasting and seclusion the means employed to discover them.The Myths of the New World|Daniel G. Brinton
The thing that strikes me,” began Roger, “is that he may be like those men sent to the house of God to inquire about fasting.Growing Up|Jennie M. Drinkwater
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
Medical definitions for fast (1 of 2)
Medical definitions for fast (2 of 2)
Other 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