slumbered Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition verb. past tense of slumber; to sleep lightly. Example Sentence He stayed up so late that he slumbered until almost noon. More Example Sentences He slumbered during the long car ride. Synonyms slept; dozed; napped Antonyms awoke; stirred; roused Hear It! Say It! Write It! slumbered Switch to cursive Start Share with your friends: