inaudible
[adjective]
Synonyms: indistinct, low, mumbling, out of earshot, stifled, unheard

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English Thesaurus: quiet, low, soft, silent, hushed, ...

[TahlilGaran] English Synonym Dictionary ▲

in‧au‧di‧ble /ɪnˈɔːdəbəl, ɪnˈɔːdɪbəl $ -ˈɒː-/ adjective
too quiet to be heard Antonym : audible:
The noise of the wind made her cries inaudible.
—inaudibly adverb:
‘No,’ she whispered, almost inaudibly.
—inaudibility /ɪnˌɔːdəˈbɪləti, ɪnˌɔːdɪˈbɪləti $ -ˌɒː-/ noun [uncountable]

[TahlilGaran] Dictionary of Contemporary English ▲

inaudible
adj.
VERBS be | become
ADV. quite, totally | almost, practically, virtually His voice was almost inaudible.
largely
PREP. to The sound is inaudible to the human ear.

[TahlilGaran] Collocations Dictionary ▲

quiet not making a loud sound:
I heard a quiet voice behind me.
a car with a quiet engine
low quiet – especially because you do not want people to hear or be disturbed:
Doug was on the phone, speaking in a low voice.
I turned the volume down low.
soft quiet and pleasant to listen to:
Soft music was playing in the background.
His voice was soft and gentle.
silent not making any sound at all:
a silent prayer
silent laughter
The machines were virtually silent.
hushed deliberately quiet because you do not want people to hear – used about people’s voices:
They were talking about money in hushed tones.
The doctor’s voice was hushed and urgent.
faint quiet and difficult to hear because it comes from a long way away:
The men went ahead and their voices got fainter and fainter.
the faint sound of bells
muffled difficult to hear, for example because the sound comes from another room or someone’s mouth is covered by something:
Muffled voices were coming from downstairs.
the muffled sound of someone crying
dull [only before noun] a dull sound is not loud – used especially about the sound of something hitting another thing:
He hit the ground with a dull thud.
inaudible too quiet to hear:
The sound is inaudible to the human ear.
Her answer came in an almost inaudible whisper.
peaceful (also tranquil especially written) quiet in a pleasant and relaxing way:
Life’s more peaceful in the countryside.
The hotel is set in tranquil surroundings.
sleepy [only before noun] quiet – used about a town or village where there are not many people and very little happens:
a sleepy fishing village
taciturn /ˈtæsətɜːn, ˈtæsɪtɜːn $ -ɜːrn/ formal not talking much and seeming a little unfriendly or bad-tempered:
He found Vaughn a taciturn and rather difficult person.
reticent unwilling to talk to other people, especially about a particular subject:
She’s always been reticent about her early life.
a man/woman of few words someone who does not talk much, especially because they only speak when there is something important to say:
My father was a man of few words, but when he spoke everyone listened.

[TahlilGaran] English Thesaurus ▲