FAST

Definition

1. noun abstaining from food. — synonyms: fasting
2. adverb quickly or rapidly (often used as a combining form).
3. adverb firmly or closely. — synonyms: tight
4. verb abstain from certain foods, as for religious or medical reasons.
5. verb abstain from eating.
6. adjective acting or moving or capable of acting or moving quickly.
7. adjective (used of timepieces) indicating a time ahead of or later than the correct time.
8. adjective at a rapid tempo.
9. adjective (of surfaces) conducive to rapid speeds.
10. adjective resistant to destruction or fading.
11. adjective unrestrained by convention or morality. — synonyms: debauched, degenerate, degraded, dissipated, dissolute, libertine, profligate, riotous
12. adjective hurried and brief. — synonyms: flying, quick
13. adjective securely fixed in place. — synonyms: firm, immobile
14. adjective unwavering in devotion to friend or vow or cause. — synonyms: firm, loyal, truehearted, fast(a)
15. adjective (of a photographic lens or emulsion) causing a shortening of exposure time.