If a sound is described as "inaudible," it is:

The term "inaudible" directly refers to sounds that cannot be heard. When something is described as inaudible, it implies that the sound is either too faint or suppressed to be detected by the ears. In this context, the correct understanding hinges on the concept of perception; a sound that is inaudible cannot reach the threshold of hearing, thereby making it effectively silent to the listener.

Other options present contrasting conditions that do not align with the definition of inaudible. For example, describing a sound as overly loud would imply that it is exceeding typical volumes, while clear and distinct suggests that the sound is easily heard and discerned. A sound described as unpleasant indicates a negative quality of the auditory experience, not its detectability. Understanding the meaning of "inaudible" hinges on recognizing that it signifies a lack of auditory perception altogether.