sleuthing Get Printable Handwriting Rhymes Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. a police investigation to determine the perpetrator;verb. watch or observe or inquire secretly Example Sentence He is sleuthing around for clues to the crime. Synonyms spy; snoop; detective work Antonyms criminal Hear It! Say It! Write It! sleuthing Switch to cursive Start Rhymes Two Syllable Rhymes (1) sleuthing Share with your friends: