asleep adjective adverb Stress: second syllable π€ Save Syllables: a-sleep (2) English Definition In a state of sleep. Example Sentence The baby was fast asleep in the crib. US IPA /ΙΛsliΛp/ π Listen US UK IPA /ΙΛsliΛp/ π Listen UK Synonyms sleeping slumbering resting napping Antonyms awake conscious alert Share this Word Facebook WhatsApp X Telegram Copy Link