Synonyms and Antonyms for fast

1. fast (adv.)

quickly or rapidly (often used as a combining form)

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2. fast-flying (adj.)

moving swiftly

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4. fast (n.)

abstaining from food

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5. fast (adv.)

firmly or closely

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6. fast (v.)

abstain from certain foods, as for religious or medical reasons

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7. fast (adj.)

(used of timepieces) indicating a time ahead of or later than the correct time

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8. fast (adj.)

(of surfaces) conducive to rapid speeds

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9. fast (adj.)

(of a photographic lens or emulsion) causing a shortening of exposure time

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10. fast (adj.)

at a rapid tempo

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