inchworms Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. small caterpillars that move in a unique, measured way. Example Sentence The children were fascinated by the inchworms in the garden. Synonyms loopers; measuring worms; spanworms Antonyms butterfly; moth Hear It! Say It! Write It! inchworms Switch to cursive Start Share with your friends: