well-built Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition adjective. 1 having a good strong construction; 2 large or ample Example Sentence They finally finished a well-built addition to the house. Synonyms sturdy; stable; substantial; large; ample Antonyms unstable; shoddy Hear It! Say It! Write It! well-built Switch to cursive Start Share with your friends: