darkens Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition verb. makes something less bright or light. Example Sentence As the sun sets, the sky gradually darkens. More Example Sentences The room darkens when the lights go out. Synonyms dims; shadows; obscures Antonyms brightens; lightens; illuminates Hear It! Say It! Write It! darkens Switch to cursive Start Share with your friends: