Synonyms|1Antonyms|0|Broader|0Narrower|0Related|18
2
lightning(adjective, fast)
2
strong(adjective, fast)
1
accelerated(adjective, fast)
1
breathtaking(adjective, fast)
1
energetic(adjective, fast)
1
expeditious(adjective, fast)
1
hastened(adjective, fast)
1
high-speed(adjective, fast)
1
hurried(adjective, fast)
1
prompt(adjective, fast)
1
quickened(adjective, fast)
1
ready(adjective, fast)
1
rush(adjective, fast)
1
rushed(adjective, fast)
1
strenuous(adjective, fast)
1
ultrarapid(adjective, fast)
1
vigorous(adjective, fast)
0
punctual
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APASmart Define. (2016). ultrafast thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/ultrafast/thesaurus/related
ChicagoSmart Define. 2016. "ultrafast thesaurus" https://smartdefine.org/ultrafast/thesaurus/related (accessed September 27, 2026).
HarvardSmart Define 2016, ultrafast thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/ultrafast/thesaurus/related>.
MLASmart Define. "ultrafast thesaurus" 1 April 2016. Web. 27 September 2026. <https://smartdefine.org/ultrafast/thesaurus/related>