unsleeping C2 Topic:Describing Qualities US /ʌnˈsliːpɪŋ/ UK /ʌnˈsliːpɪŋ/ See IPA manual Freq #241711 Meanings 1 adj not sleeping or unable to sleep She remained unsleeping until dawn. 2 adj constantly alert, watchful, or active The police maintained unsleeping vigilance around the laboratory. Thesaurus Synonyms 1 adj · not sleeping or unable to... awakewakeful 2 adj · constantly alert, watchful,... vigilantever-watchfulunceasing ↔ Opposites sleepingdormantunwatchful Word family Related forms sleeplesswakeful Etymology From un- + sleeping. The literal sense means awake; the literary figurative sense describes vigilance, activity, or attention that never rests. Topics Describing Qualities Word Formation & Derivatives External links Google Images Cambridge Dictionary Wiktionary # unsleeping **Type:** Word **Level:** C2 **Part of speech:** adj **IPA (US):** /ʌnˈsliːpɪŋ/ **IPA (UK):** /ʌnˈsliːpɪŋ/ **Frequency rank:** 241711 ## Meanings 1. not sleeping or unable to sleep 2. constantly alert, watchful, or active ## Examples - She remained unsleeping until dawn. - The police maintained unsleeping vigilance around the laboratory. ## Synonyms - awake - wakeful - vigilant - ever-watchful ## Antonyms - sleeping - dormant - unwatchful ## Related Forms - sleepless - wakeful ## Etymology From un- + sleeping. The literal sense means awake; the literary figurative sense describes vigilance, activity, or attention that never rests. ## Topics - Describing Qualities - Word Formation & Derivatives markdown