8 entries under precise topic. ×
| immediate(adjective, time, direct, fast) | |
| instant(adjective, time, direct, prompt) | |
| rapid(adjective, fast, responsive, early) | |
| swift(adjective, fast, responsive, summary) | |
| brisk(adjective, fast, responsive, early) | |
| speedy(adjective, direct, fast, responsive) | |
| expeditious(adjective, fast, responsive, summary) | |
| alert(fast, responsive, early, rapid) |
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| APA | Smart Define. (2016). instantaneous thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/instantaneous/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "instantaneous thesaurus" https://smartdefine.org/instantaneous/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, instantaneous thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/instantaneous/thesaurus/synonyms>. |
| MLA | Smart Define. "instantaneous thesaurus" 26 February 2016. Web. 21 September 2026. <https://smartdefine.org/instantaneous/thesaurus/synonyms> |