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Synonyms: fast Definition: abstain from eating Usage: Before the medical exam, you must fast

Hypernyms: desist, abstain, refrain Definition: choose not to consume Usage: I abstain from alcohol

Synonyms: fast Definition: (of a photographic lens or emulsion) causing a shortening of exposure time Usage: a fast lens

Hypernyms: causative Definition: producing an effect Usage: poverty as a causative factor in crime

Synonyms: fast, firm, truehearted, loyal Definition: unwavering in devotion to friend or vow or cause Usage: a firm ally; loyal supporters; the true-hearted soldier...of Tippecanoe- Campaign song for William Henry Harrison; fast friends

Hypernyms: faithful Definition: steadfast in affection or allegiance Usage: years of faithful service; faithful employees; we do not doubt that England has a faithful patriot in the Lord Chancellor

Synonyms: fast Definition: acting or moving or capable of acting or moving quickly Usage: fast film; on the fast track in school; set a fast pace; a fast car

Hypernyms: accelerated Definition: speeded up, as of an academic course Usage: in an accelerated program in school

Hypernyms: alacritous Definition: quick and eager Usage: an alacritous response to the invitation

Hypernyms: red-hot, hot, blistering Definition: very fast; capable of quick response and great speed Usage: a hot sports car; a blistering pace; got off to a hot start; in hot pursuit; a red-hot line drive

Hypernyms: double-quick Definition: (of a marching cadence) very quick

Hypernyms: express Definition: without unnecessary stops Usage: an express train; an express shipment

Hypernyms: fast-breaking Definition: occurring rapidly as a series of events in rapid succession Usage: the broadcast was interrupted by a fast-breaking news story about the invasion

Hypernyms: fast-paced Definition: of communication that proceeds rapidly Usage: a fast-paced talker; fast-paced fiction

Hypernyms: fleet, swift Definition: moving very fast Usage: fleet of foot; the fleet scurrying of squirrels; a swift current; swift flight of an arrow; a swift runner

Hypernyms: high-speed, high-velocity Definition: operating at high speed Usage: a high-speed food processor; a high-velocity shell

Hypernyms: hurrying, scurrying Definition: moving with great haste Usage: affection for this hurrying driving...little man; lashed the scurrying horses

Hypernyms: immediate, quick, prompt, straightaway Definition: performed with little or no delay Usage: an immediate reply to my letter; a prompt reply; was quick to respond; a straightaway denial

Hypernyms: instant, instantaneous Definition: occurring with no delay Usage: relief was instantaneous; instant gratification

Hypernyms: meteoric Definition: like a meteor in speed or brilliance or transience Usage: a meteoric rise to fame

Hypernyms: speedy, quick Definition: accomplished rapidly and without delay Usage: was quick to make friends; his quick reaction prevented an accident; hoped for a speedy resolution of the problem; a speedy recovery; he has a right to a speedy trial

Hypernyms: rapid Definition: done or occurring in a brief period of time Usage: a rapid rise through the ranks

Hypernyms: rapid, speedy Definition: characterized by speed; moving with or capable of moving with high speed Usage: a rapid movement; a speedy car; a speedy errand boy

Hypernyms: smart Definition: quick and brisk Usage: I gave him a smart salute; we walked at a smart pace

Hypernyms: winged Definition: very fast; as if with wings Usage: on winged feet

Hypernyms: windy Definition: resembling the wind in speed, force, or variability Usage: a windy dash home

Synonyms: fast Definition: at a rapid tempo Usage: the band played a fast fox trot

Hypernyms: allegro Definition: (of tempo) fast

Hypernyms: allegretto Definition: (of tempo) faster than allegro

Hypernyms: andantino Definition: (of tempo) moderately fast

Hypernyms: presto Definition: (of tempo) very fast

Hypernyms: prestissimo Definition: (of tempo) as fast as possible

Hypernyms: vivace Definition: (of tempo) very fast and lively

Synonyms: firm, fast, immobile Definition: securely fixed in place Usage: the post was still firm after being hit by the car

Hypernyms: fixed Definition: securely placed or fastened or set Usage: a fixed piece of wood; a fixed resistor

Synonyms: quick, fast, flying Definition: hurried and brief Usage: paid a flying visit; took a flying glance at the book; a quick inspection; a fast visit

Hypernyms: hurried Definition: moving rapidly or performed quickly or in great haste Usage: a hurried trip to the store; the hurried life of a city; a hurried job

Synonyms: riotous, profligate, libertine, debauched, degenerate, degraded, dissipated, dissolute, fast Definition: unrestrained by convention or morality Usage: Congreve draws a debauched aristocratic society; deplorably dissipated and degraded; riotous living; fast women

Hypernyms: immoral Definition: deliberately violating accepted principles of right and wrong

Synonyms: fast Definition: resistant to destruction or fading Usage: fast colors

Hypernyms: imperviable, impervious Definition: not admitting of passage or capable of being affected Usage: a material impervious to water; someone impervious to argument