Dictionary.com

supersonic

[ soo-per-son-ik ]
/ ˌsu pərˈsɒn ɪk /
Save This Word!

adjective
greater than the speed of sound waves through air.
capable of achieving such speed: a supersonic plane.

COMPARE MEANINGS

Click for a side-by-side comparison of meanings. Use the word comparison feature to learn the differences between similar and commonly confused words.
QUIZ
QUIZ YOURSELF ON "WAS" VS. "WERE"!
Were you ready for a quiz on this topic? Well, here it is! See how well you can differentiate between the uses of "was" vs. "were" in this quiz.
Question 1 of 7
“Was” is used for the indicative past tense of “to be,” and “were” is only used for the subjunctive past tense.

Origin of supersonic

First recorded in 1915–20; super- + sonic

OTHER WORDS FROM supersonic

su·per·son·i·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use supersonic in a sentence

British Dictionary definitions for supersonic

supersonic
/ (ˌsuːpəˈsɒnɪk) /

adjective
being, having, or capable of reaching a speed in excess of the speed of soundsupersonic aircraft

Derived forms of supersonic

supersonically, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for supersonic

supersonic
[ sōō′pər-sŏnĭk ]

adj.
Having, caused by, or relating to a speed greater than the speed of sound in a given medium, especially air.
Of or relating to sound waves beyond human audibility.

Other words from supersonic

su′per•soni•cal•ly adv.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for supersonic

supersonic
[ sōō′pər-sŏnĭk ]

Having a speed greater than that of sound in a designated medium, usually air; having a speed greater than Mach 1. Compare hypersonic subsonic transonic.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
FEEDBACK