Synonyms|3Antonyms|0|Broader|0Narrower|0Related|0
1
sound barrier
1
speed of sound(expression, idiom)
1
supersonics
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APASmart Define. (2015). subsonics thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/subsonics/thesaurus/synonyms
ChicagoSmart Define. 2015. "subsonics thesaurus" https://smartdefine.org/subsonics/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, subsonics thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/subsonics/thesaurus/synonyms>.
MLASmart Define. "subsonics thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/subsonics/thesaurus/synonyms>