fast
— Adverb
– English
～ firmly or closely; "held fast to the rope"; "her foot was stuck fast"; "held tight"
fast
— Adjective
– English
～ (used of timepieces) indicating a time ahead of or later than the correct time; "my watch is fast"
fast
— Adjective
– English
～ acting or moving or capable of acting or moving quickly; "fast film"; "on the fast track in school"; "set a fast pace"; "a fast car"
fast
— Adjective
– English
～ hurried and brief; "paid a flying visit"; "took a flying glance at the book"; "a quick inspection"; "a fast visit"
fast
— Adjective
– English
～ unwavering in devotion to friend or vow or cause; "a firm ally"; "loyal supporters"; "the true-hearted soldier...of Tippecanoe"- Campaign song for William Henry Harrison; "fast friends"
fast-breaking
— Adjective
– English
～ occurring rapidly as a series of events in rapid succession; "the broadcast was interrupted by a fast-breaking news story about the invasion"
fast asleep
— Adjective
– English
～ sleeping deeply; "lying fast asleep on the sofa"; "it would be cruel to wake him; he's sound asleep"
fast
— Adjective
– English
～ (of surfaces) conducive to rapid speeds; "a fast road"; "grass courts are faster than clay"
fast
— Adjective
– English
～ unrestrained by convention or morality; "Congreve draws a debauched aristocratic society"; "deplorably dissipated and degraded"; "riotous living"; "fast women"
fast
— Adjective
– English
～ at a rapid tempo; "the band played a fast fox trot"
fast
— Adjective
– English
～ resistant to destruction or fading; "fast colors"
fast
— Adjective
– English
～ securely fixed in place; "the post was still firm after being hit by the car"
fast
— Adjective
– English
～ (of a photographic lens or emulsion) causing a shortening of exposure time; "a fast lens"