The noun fast has 1 sense (first 1 from tagged texts)
1. (1) fast, fasting -- (abstaining from food)
Overview of verb fast
The verb fast has 2 senses (no senses from tagged texts)
1. fast -- (abstain from certain foods, as for religious or medical reasons; "Catholics sometimes fast during Lent")
2. fast -- (abstain from eating; "Before the medical exam, you must fast")
Overview of adj fast
The adj fast has 10 senses (first 1 from tagged texts)
1. (22) fast -- (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")
2. fast -- ((used of timepieces) indicating a time ahead of or later than the correct time; "my watch is fast")
3. fast -- (at a rapid tempo; "the band played a fast fox trot")
4. fast -- ((of surfaces) conducive to rapid speeds; "a fast road"; "grass courts are faster than clay")
5. barred, bolted, fast, latched, locked, secured -- (firmly fastened or secured against opening; "windows and doors were all fast"; "a locked closet"; "left the house properly secured")
6. fast -- (resistant to destruction or fading; "fast colors")
7. debauched, degenerate, degraded, dissipated, dissolute, libertine, profligate, riotous, fast -- (unrestrained by convention or morality; "Congreve draws a debauched aristocratic society"; "deplorably dissipated and degraded"; "riotous living"; "fast women")
8. flying, quick, fast -- (hurried and brief; "paid a flying visit"; "took a flying glance at the book"; "a quick inspection"; "a fast visit")
9. fast, firm, immobile -- (securely fixed in place; "the post was still firm after being hit by the car")
10. firm, loyal, truehearted, fast -- (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")
Overview of adv fast
The adv fast has 2 senses (first 2 from tagged texts)
1. (17) fast -- (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")
2. (1) fast, tight -- (firmly or tightly; "held fast to the rope"; "her foot was stuck fast"; "held tight")