1 on a musical instrument that is not made louder by electrical equipment:
Each of the alcoves in the recording studio are acoustically separate.
Acoustically speaking, the most striking sound coming from the Hall these days is silence.
I like doing songs acoustically.
His band was formed years before the electronic era, and his greatest hits were acoustically recorded.
The silence of a church may suit musicians playing acoustically.
And even if no longer acoustically deadened, they can still be deprived of their otherworldly dimension.
This leaves us with pitch as the most important acoustically measurable correlate of stress.