impossible to hear; imperceptible by the ear
Ranked near the beginning of an ascending series or scale:
Not clearly or sharply delineated:
Performed, done, or acted, in a weak or feeble manner; not exhibiting vigor, strength, or energy; slight; as, faint efforts; faint resistance.
That is heard or that can be heard.
The definition of imperceptible is not able to be imagined or so small that it can barely be seen.
Find another word for inaudible. In this page you can discover 10 synonyms, antonyms, idiomatic expressions, and related words for inaudible, like: unhearable, indecipherable, low, unintelligible, indistinct, muffled, faint, audible, inaudibly and imperceptible.