The term "striking dumb" refers to the state of being left speechless or stunned in amazement. Some antonyms for this phrase could include "articulate," "eloquent," "fluent," "vocal," "voiced," and "expressive." These words describe the ability to communicate effectively and convey one's thoughts and feelings with ease. Other antonyms for "striking dumb" could include "mundane," "routine," "boring," and "predictable." These terms represent the opposite of being surprised or amazed and instead describe a state of normalcy, where nothing particularly noteworthy or exciting is happening.