1. impossible to hear; not loud enough to be heard

Examples

• The teacher’s voice was inaudible from the back of the large auditorium.
• She whispered something inaudible to her friend during the movie.
• The recording was so old that parts of it were completely inaudible.
• His mumbled response was nearly inaudible.
• The baby’s breathing was so soft it was almost inaudible.
• Due to the poor connection, her words became inaudible over the phone.