SLEEPLESS Scrabble 11 Words With Friends 14 Definition adjective experiencing or accompanied by sleeplessness. — synonyms: insomniac, watchful adjective always watchful. — synonyms: lidless Examples “I spent a sleepless night worrying about the exams.” See all 46 words you can make from SLEEPLESS → 9-letter words Words starting with S Words ending with S ← Unscramble different letters