153 entries under adjective topic. ×
| summary(rapid, swift, instant) | |
| ephemeral(transient, transientness) | |
| evanescent(transient, transientness) | |
| precipitate(verb, summary, rapid, swift) | |
| short(summary, rapid, swift, instant) | |
| direct(prompt, fast, quick, immediate) | |
| expeditious(fast, precise, responsive, summary) | |
| eye-opening(amazing, astonishing, astounding, dumbfounding) | |
| fading | |
| fleet(fast, summary, rapid, swift) | |
| passing(transient, transientness) | |
| rash(impulsive, sudden) | |
| ready | |
| restless | |
| shifting(transient, transientness) | |
| short-lived(transient, transientness) | |
| unhesitating | |
| changeable | |
| express(verb, fast, summary, rapid) | |
| fickle |
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| APA | Smart Define. (2016). instantaneous thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/instantaneous/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "instantaneous thesaurus" https://smartdefine.org/instantaneous/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, instantaneous thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/instantaneous/thesaurus/synonyms>. |
| MLA | Smart Define. "instantaneous thesaurus" 26 February 2016. Web. 25 September 2026. <https://smartdefine.org/instantaneous/thesaurus/synonyms> |