unmanfully Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition adverb. in a weak or cowardly manner Example Sentence He acted unmanfully by running away from the fight. Synonyms cowardly; timidly; fearfully Antonyms bravely; courageously Hear It! Say It! Write It! unmanfully Switch to cursive Start Share with your friends: