ploppy Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition adjective. having a soft, heavy, or unsteady quality. Example Sentence The rain made a ploppy sound as it hit the tin roof. Synonyms squishy; mushy; spongy Antonyms firm; solid Hear It! Say It! Write It! ploppy Switch to cursive Start Share with your friends: