Synonyms|19Antonyms|0|Broader|2Narrower|0Related|0
5
sonic barrier(noun, supersonic)
2
knot
1
air speed
1
escape velocity
1
ground speed
1
knots
1
shock wave
1
sonic boom
1
sonic speed
1
sonics
1
speed
1
speed of sound(expression, idiom)
1
subsonic speed
1
subsonics
1
supersonic speed
1
supersonics
1
ultrasonics
0
sonic wall(noun, supersonic)
0
transonic barrier(noun, supersonic)
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APASmart Define. (2015). sound barrier thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/sound_barrier/thesaurus/synonyms
ChicagoSmart Define. 2015. "sound barrier thesaurus" https://smartdefine.org/sound_barrier/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, sound barrier thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/sound_barrier/thesaurus/synonyms>.
MLASmart Define. "sound barrier thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/sound_barrier/thesaurus/synonyms>