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We found 30 dictionaries with English definitions that include the word sleepless: Click on the first link on a line below to go directly to a page where "sleepless" is defined. General (28 matching dictionaries) sleepless: American Heritage Dictionary of the English Language [home, info] sleepless: Collins English Dictionary [home, info] sleepless: Vocabulary.com [home, info] sleepless: Macmillan Dictionary [home, info] sleepless: Merriam-Webster's Online Dictionary, 11th Edition [home, info] Sleepless, sleepless: Wordnik [home, info] sleepless: Cambridge Advanced Learner's Dictionary [home, info] sleepless: Wiktionary [home, info] sleepless: Compact Oxford English Dictionary [home, info] sleepless: Webster's New World College Dictionary, 4th Ed. [home, info] sleepless: The Wordsmyth English Dictionary-Thesaurus [home, info] sleepless: Infoplease Dictionary [home, info] sleepless: Dictionary.com [home, info] sleepless: UltraLingua English Dictionary [home, info] sleepless: Cambridge Dictionary of American English [home, info] Sleepless (Kate Rusby album), Sleepless (Peter Wolf album), Sleepless (The X-Files), Sleepless (The X-Files episode), Sleepless (album), Sleepless (film), Sleepless (single), Sleepless (song), Sleepless: Wikipedia, the Free Encyclopedia [home, info] Sleepless: Online Plain Text English Dictionary [home, info] sleepless: Webster's Revised Unabridged, 1913 Edition [home, info] sleepless: Rhymezone [home, info] sleepless: AllWords.com Multi-Lingual Dictionary [home, info] sleepless: Webster's 1828 Dictionary [home, info] sleepless: Free Dictionary [home, info] sleepless: Mnemonic Dictionary [home, info] sleepless: WordNet 1.7 Vocabulary Helper [home, info] sleepless: LookWAYup Translating Dictionary/Thesaurus [home, info] sleepless: Dictionary/thesaurus [home, info] Business (1 matching dictionary) sleepless: Legal dictionary [home, info] Computing (1 matching dictionary) sleepless: Encyclopedia [home, info]

Quick definitions from Macmillan ( ) Provided by Quick definitions from WordNet (sleepless) ▸ adjective:  without having the eyes closed or covered by the eyelids ▸ adjective:  experiencing or accompanied by sleeplessness ("Lay sleepless all night")