inaudible
/ɪˈnɔdəbəl/
adjective
- Unable to be heard; too quiet to be heard.
- The dog's whistle produces a sound that is inaudible to human ears.
- The speaker's voice was so soft it was almost inaudible in the large hall.
- She whispered an inaudible reply, and I had to ask her to repeat it.
Antonyms