Synonyms|8Antonyms|0|Broader|2Narrower|0Related|0
5
sound barrier(noun, supersonic)
2
knot
1
air speed
1
speed
1
speed of sound(expression, idiom)
1
supersonics
0
sonic wall(noun, barrier)
0
transonic barrier(noun, barrier)
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APASmart Define. (2015). sonic barrier thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/sonic_barrier/thesaurus/synonyms
ChicagoSmart Define. 2015. "sonic barrier thesaurus" https://smartdefine.org/sonic_barrier/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, sonic barrier thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/sonic_barrier/thesaurus/synonyms>.
MLASmart Define. "sonic barrier thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/sonic_barrier/thesaurus/synonyms>