Inaudible and Surd

Inaudible adjective - Impossible to hear; imperceptible by the ear.

Surd and inaudible are semantically related. In some cases you can use "Surd" instead an adjective "Inaudible".

Nearby Word: inaudibility

Surd adjective - Produced without vibration of the vocal cords.

Inaudible and surd are semantically related. Sometimes you can use "Inaudible" instead an adjective "Surd".