straight-faced Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition adjective. having a serious facial expression esp one that conceals the impulse to laugh Example Sentence He told the joke straight-faced. Spelled with a hyphen. Synonyms deadpan; poker-faced; serious Antonyms laughing Hear It! Say It! Write It! straight-faced Switch to cursive Start Share with your friends: