Synonyms for asleep Found 8 synonyms across 3 meanings for “asleep”. in a state of sleep (adj) asleep(p) lacking sensation (adj) benumbednumb dead (adj) deceaseddepartedgone Explore Related Words Rhymes with asleepSynonyms for asleep(p)Synonyms for benumbedSynonyms for numbSynonyms for deceasedSynonyms for departed Synonym Finder | Rhyme Finder | Poetry Editor