fast

  • (r) quickly or rapidly (often used as a combining form)
    • how fast can he get here?
    • ran as fast as he could
    • needs medical help fast
    • fast-running rivers
    • fast-breaking news
    • fast-opening (or fast-closing) shutters
  • (a) 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
  • (r) firmly or closely
    • held fast to the rope
    • her foot was stuck fast
    • held tight
    tight,
  • (a) (used of timepieces) indicating a time ahead of or later than the correct time
    • my watch is fast
  • (a) at a rapid tempo
    • the band played a fast fox trot
  • (s) (of surfaces) conducive to rapid speeds
    • a fast road
    • grass courts are faster than clay
  • (s) resistant to destruction or fading
    • fast colors
  • (s) unrestrained by convention or morality
    • Congreve draws a debauched aristocratic society
    • deplorably dissipated and degraded
    • riotous living
    • fast women
    debauched, degenerate, degraded, dissipated, dissolute, libertine, profligate, riotous,
  • (s) hurried and brief
    • paid a flying visit
    • took a flying glance at the book
    • a quick inspection
    • a fast visit
    flying, quick,
  • (s) securely fixed in place
    • the post was still firm after being hit by the car
    immobile, firm,
  • (s) 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
    truehearted, loyal, firm,
  • (s) (of a photographic lens or emulsion) causing a shortening of exposure time
    • a fast lens

Nouns

  • (n) abstaining from food fasting,

Verbs

  • (v) abstain from certain foods, as for religious or medical reasons
    • Catholics sometimes fast during Lent
  • (v) abstain from eating
    • Before the medical exam, you must fast

Synonyms

fasting tight debauched degenerate degraded dissipated dissolute libertine profligate riotous flying quick immobile firm truehearted loyal

Antonyms

slow

See also

hurried sudden

Words of close approximity

FAA fab fad FAE fag fan FAO FAQ FAR FAS fat fax fay
face fact fade fado Fahd fail fain fair fake fall fame fang FARC fare farm faro fart fate faun faux fawn faze
fast asleep fastball fast break fast-breaking fast buck fast day fast dye fasten fastened fastener fastening fasten on faster fastest fast-flying fast food fast-footed fast-growing fastidious fastidiously fastidiousness fastigiate fasting fast lane fastnacht fastness Fast of Ab Fast of Av Fast of Esther Fast of Gedaliah Fast of Tammuz Fast of Tevet Fast of the Firstborn fast one fast-paced fast reactor fast time scale fast track