Synonyms for fast asleep | Synonym.com

Synonyms and antonyms for fast asleep

2. fast (adv.)

quickly or rapidly (often used as a combining form)

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4. asleep (adv.)

into a sleeping state

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5. fast (n.)

abstaining from food

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6. fast (adv.)

firmly or closely

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7. asleep (adj.)

dead

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8. asleep (adv.)

in the sleep of death

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9. asleep (adj.)

lacking sensation

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10. fast (adj.)

hurried and brief

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