OTHER WORDS FROM subsonicsub·son·i·cal·ly, adverb
Words nearby subsonic
How to use subsonic in a sentence
These airplanes are expected to seat 65 to 88 passengers and will travel at subsonic speeds over land and supersonic speeds over water—more than twice as fast as current commercial aircraft.Meet the XB-1: A prototype for a modern supersonic passenger jet|Eric Berger|October 7, 2020|Ars Technica
From below came a vibrational rushing noise, nearly subsonic, which told him of the fueling operation.Tight Squeeze|Dean Charles Ing
A wave of some sort—probably subsonic or supersonic—continuously filled the Vininese atmosphere.The Instant of Now|Irving E. Cox, Jr.
Most of their conversation is carried on in tones of subsonic frequency, so your ears cannot hear it.The Asses of Balaam|Gordon Randall Garrett
And its booming notes descended to subsonic throbbings that gripped and wrung the nerves to anguish.The Record of Currupira|Robert Abernathy