subtest Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. a smaller test that is part of a larger test. Example Sentence He took part in a subtest. Spelled as one word. More Example Sentences Each subtest checks different learning areas. Synonyms section; part; component Antonyms answers Hear It! Say It! Write It! subtest Switch to cursive Start Share with your friends: