peter out Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition verb. to gradually decrease and disappear. Example Sentence Brad's stamina will peter out after ten miles of hiking. More Example Sentences Interest in the game started to peter out. Synonyms diminish; fade; dwindle Antonyms increase; grow; expand Hear It! Say It! Write It! peter out Switch to cursive Start Share with your friends:
