Took one's breath away is a common phrase used to describe an experience or something that is incredibly stunning or shocking. Some antonyms for took one's breath away could be ordinary, monotonous, unexceptional, mundane, unimpressive, and unremarkable. These words describe things that are not exciting or breathtaking. Other antonyms for this phrase include dull, mundane, drab, insipid, and lackluster. These words indicate that something is lacking and fails to evoke significant emotions. While took one's breath away implies a reaction, an antonym would mean that nothing surprising or out of the ordinary happened.