Very quietly. In soft tones.
The definition of inaudible is something that can't be heard.
Having or making no noise.
Having or making no sound.
Seldom speaking; saying little; not talkative
The definition of audible is loud enough to be heard.
Not speaking; voluntarily silent
Making or characterized by no sound or faint sound:
Find another word for unheard. In this page you can discover 15 synonyms, antonyms, idiomatic expressions, and related words for unheard, like: hushed, inaudible, noiseless, soundless, silent, unrecord, unheeded, unreleased, quiet, muffled and audible.