wait a minute exclamation 2wait-a-minute noun 1 exclamation2 •Used to indicate disagreement or doubt.“Wait a minute, wait a minute, wait ... a ... minute,” said Fred. “I don't mind a little cologne, but I am not going to put on eye shadow. — 2004 •Used to indicate a new insight or dawning understanding.HAL: Go ahead. JOHN: Wait a minute. That tone of voice… you don’t like it! — 2004 wait-a-minute noun1 •Synonym of wait-a-bit