First Known Use: 1919
Dictionary
1supersonic
adjective su·per·son·ic \ˌsü-pər-ˈsä-nik\
: faster than the speed of sound
Full Definition of SUPERSONIC
1
2
: of, being, or relating to speeds from one to five times the speed of sound in air — compare sonic
3
: moving, capable of moving, or utilizing air currents moving at supersonic speed
4
: relating to supersonic airplanes or missiles <the supersonic age>
— su·per·son·i·cal·ly \-ni-k(ə-)lē\ adverb
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Origin of SUPERSONIC
Latin super- + sonus sound — more at sound
Rhymes with SUPERSONIC
catatonic, cosmogonic, diachronic, diatonic, disharmonic, electronic, embryonic, epigonic, hegemonic, histrionic, homophonic, Housatonic, hypersonic, infrasonic, inharmonic, isotonic, macaronic, megaphonic, microphonic, monophonic, monotonic, nonionic, nucleonic, pentatonic, pharaonic, philharmonic, plate-tectonic, polyphonic, quadraphonic, semitonic, skeletonic, Solomonic, supertonic, telephonic, thermionic, ultrasonic
2supersonic
noun
Definition of SUPERSONIC
1
: a supersonic wave or frequency
2
: a supersonic airplane
First Known Use of SUPERSONIC
circa 1924
Rhymes with SUPERSONIC
SUPERSONIC Defined for Kids
supersonic
adjective su·per·son·ic \ˌsü-pər-ˈsä-nik\
Definition of SUPERSONIC for Kids
1
: above the normal range of human hearing
2
: having a speed from one to five times that of sound <a supersonic airplane>
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