Synonyms and Antonyms for fast-asleep

1. fast asleep (adj.)

sleeping deeply; he's sound asleep"

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2. fast-flying (adj.)

moving swiftly

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4. asleep (adj.)

lacking sensation

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5. asleep (adj.)

dead

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7. fast (n.)

abstaining from food

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8. fast (adv.)

firmly or closely

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9. fast (adj.)

(of surfaces) conducive to rapid speeds

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10. fast (v.)

abstain from certain foods, as for religious or medical reasons

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