A Quick and Simple Dictionary

fast

1. Verb.  (intransitive) to abstain from or eat very little food; to abstain from food for religious reasons.
2. Noun.  The act or practice of abstaining from food or of eating very little food.
3. Noun.  The period of time during which one abstains from or eats very little food.
4. Adjective.  firmly or securely fixed in place; stable (defdate, from 9th c.) .
5. Adjective.  Of people: steadfast, with unwavering feeling. (Now only in set phrases like "fast friend".) (defdate, from 10th c.) .
6. Adjective.  Moving with great speed, or capable of doing so; swift, rapid (defdate, from 14th c.) .
7. Adjective.  (computing, of a piece of hardware) Able to transfer data in a short period of time.
8. Adjective.  deep or sound (of sleep); fast asleep (of people) (defdate, 16th-19th c.) .
9. Adjective.  Of dyes or colours: not running or fading when subjected to detrimental conditions such as wetness or intense light; permanent (defdate, from 17th c.) .
10. Adjective.  (colloquial) Having an extravagant lifestyle or immoral habits (defdate, from 18th c.) .
11. Adjective.  ahead of the correct time or schedule (defdate, from 19th c.) .
12. Adjective.  (context, of photographic film) More sensitive to light than average (defdate, from 20th c.) .
13. Adverb.  In a firm or secure manner, securely; in such a way as not to be moved (defdate, from 10th c.) .
14. Adverb.  (context, of sleeping) deeply or soundly (defdate, from 13th c.) .
15. Adverb.  Immediately following in place or time; close, very near (defdate, from 13th c.) .
16. Adverb.  quickly, with great speed; within a short time (defdate, from 13th c.) .
17. Adverb.  ahead of the correct time or schedule.
18. Noun.  (British, rail transport) A train that calls at only some stations it passes between its origin and destination, typically just the principal stations.
19. Interjection.  (archery) Short for "stand fast", a warning not to pass between the arrow and the target.