Thesaurus

sleepless

adjective

Synonyms and Antonyms of sleepless

not sleeping or able to sleep

lay sleepless with worry

Synonyms of sleepless

awake, insomniac, wakeful, wide-awake

Words Related to sleepless

aroused, awakened, roused, rousted, wakened

about, astir, up

aware, conscious

Near Antonyms of sleepless

dozy, drowsy, nodding, sleepy, slumberous (or slumbrous), somnolent

hypnotized, mesmerized

Antonyms of sleepless

asleep, dormant, dozing, napping, resting, sleeping, slumbering, unawakened

Learn More about sleepless

Dictionary: Definition of sleepless Medical Dictionary: Definition of sleepless Spanish Central: Translation of sleepless Nglish: Translation of sleepless for Spanish speakers Britannica English: Translation of sleepless for Arabic speakers

Seen and Heard

What made you want to look up sleepless? Please tell us where you read or heard it (including the quote, if possible).

show comments

WORD OF THE DAY

magniloquent

grandiloquent, ostentatious, or bombastic

Words at Play

Ask the Editors

Word Games