Wiktionary
a. Below the threshold of hearing.
Usage examples of "subaudible".
Like the little hexie, the big hexapod began a subaudible rumbling she could practically feel in her bones, like sound waves so deeply bass, only the vibrations could be sensed.
He was listening to the subaudible rustlings, flutings and oscillations of the alien language and learning it rapidly.
All around her, the ship started to make a strange, almost subaudible noise, one no spacer should ever have to listen to: the sound of realspace engines destroying themselves from the inside out.
Mindlink beam, mixing with the blacks and the grays and the almost subaudible murmuring of the thousands of other Mindlink customers.
Luke settled down to hear this tale, as Artoo nestled up beside him, humming in a subaudible register to comfort.
Kate turned gratefully to the easier breathing assist, and the two women worked in silence until they felt the distant, subaudible thud of the helicopter beneath the gentle crackle from the stove and their own sounds.
Sales had increased 17 percent after the music service had been installed, but it was the subaudible program that really made the difference, a vibration tucked under the music that released endorphins in the brain.
The music selection was changed every five days, but the subaudible stayed the same.
When I start bullshitting, the machine detects subaudible microtremors that occur with stress and deception.
An almost subaudible hum was the only indication that the connection had not been lost.
Mahomed whispers from concealed speakers, his voice a subaudible message amid the subtle cries and rhythms of hob.
The information, of course, had been planted in an early subaudible broadcast.
Faintly he could feel a power field develop, the generator subaudible.
The comm specialist had put one hand to his ear, listening to a subaudible message being patched through the cochlear implant inside his skull.