airheaded Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition adjective. not thinking clearly or being silly. Example Sentence She is so airheaded, she forgot her own name. More Example Sentences His airheaded comments made everyone laugh. Synonyms silly; foolish; scatterbrained Antonyms smart; clever; bright Hear It! Say It! Write It! airheaded Switch to cursive Start Share with your friends: