paydirt Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. soil or rock that yields valuable minerals. Example Sentence The man struck paydirt when he found the mine full of gold. More Example Sentences The miners were excited about the paydirt. Synonyms gold mine; treasure; valuable soil Antonyms loss Hear It! Say It! Write It! paydirt Switch to cursive Start Share with your friends: