1. [Adjective]: 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. [Adjective]: (used of timepieces) indicating a time ahead of or later than the correct time; "my watch is fast"

3. [Adjective]: at a rapid tempo; "the band played a fast fox trot"

4. [Noun]: abstaining from food

5. [Adverb]: firmly or tightly; "held fast to the rope"; "her foot was stuck fast"; "held tight"

6. [Adverb]: 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"

7. hurried and brief; "paid a flying visit"; "took a flying glance at the book"; "a quick inspection"; "a fast visit"

8. resistant to destruction or fading; "fast colors"

9. (of surfaces) conducive to rapid speeds; "a fast road"; "grass courts are faster than clay"

10. securely fixed in place; "the post was still firm after being hit by the car"

11. unrestrained by convention or morality; "Congreve draws a debauched aristocratic society"; "deplorably dissipated and degraded"; "riotous living"; "fast women"

12. firmly fastened or secured against opening; "windows and doors were all fast"; "a locked closet"; "left the house properly secured"

13. [Verb]: abstain from eating; "Before the medical exam, you must fast"

14. [Verb]: abstain from certain foods, as for religious or medical reasons; "Catholics sometimes fast during Lent"

Similar words to 'fast'

Opposite words to 'fast'

1. slow

2. slow

3. slow

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