153 entries under adjective topic. ×
| quick(prompt, fast, summary, speedy) | |
| immediate(time, direct, fast, precise) | |
| instant(time, direct, prompt, precise) | |
| hasty(fast, impulsive, summary, swift) | |
| prompt(direct, fast, quick, responsive) | |
| fast(direct, prompt, quick, immediate) | |
| rapid(fast, precise, responsive, early) | |
| swift(fast, precise, responsive, summary) | |
| abrupt(direct, fast, impulsive, summary) | |
| momentary(brief, immediate, transient, instantaneity) | |
| sudden(fast, summary, swift, immediate) | |
| brisk(fast, precise, responsive, early) | |
| speedy(direct, fast, precise, responsive) | |
| brief(fast, short, swift, immediate) | |
| spontaneous(impulsive, immediate, sudden) | |
| transitory(immediate, transient, transientness) | |
| cursory(fast, rapid, swift, instant) | |
| fleeting(sudden, transient, transientness) | |
| hurried(fast, summary, rapid, swift) | |
| transient(transient, transientness) |
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| APA | Smart Define. (2016). instantaneous thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/instantaneous/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "instantaneous thesaurus" https://smartdefine.org/instantaneous/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, instantaneous thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/instantaneous/thesaurus/synonyms>. |
| MLA | Smart Define. "instantaneous thesaurus" 26 February 2016. Web. 23 September 2026. <https://smartdefine.org/instantaneous/thesaurus/synonyms> |