The word "am unsteady" means to lack balance or stability. The antonyms for this word are words that indicate stability, balance, and confidence. Some of the antonyms for "am unsteady" include steady, stable, secure, firm, unshakable, unwavering, poised, and confident. These words are used to describe a person or situation that is not easily swayed, confident in their decisions and actions, and able to maintain stability in potentially challenging circumstances. Using antonyms for "am unsteady" can help to create a tone of assurance and confidence in both written and spoken communication.