unhearable

Synonyms:

inaudible

breathed, voiceless

uttered without voice

infrasonic

having frequencies below those of audible sound

silent

having a frequency below or above the range of human audibility

silent, unsounded

not made to sound

supersonic, ultrasonic

having frequencies above those of audible sound

unheard

not necessarily inaudible but not heard

imperceptible, unperceivable

impossible or difficult to perceive by the mind or senses

quiet

free of noise or uproar; or making little if any sound

Antonyms:

audible, hearable

heard or perceptible by the ear

clunky

making a clunking sound

sonic

relating to audible sound

sounding

making or having a sound as specified; used as a combining form

loud

characterized by or producing sound of great volume or intensity

perceptible

capable of being perceived by the mind or senses

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