153 entries under adjective topic. ×

5
summary(rapid, swift, instant)
5
ephemeral(transient, transientness)
5
evanescent(transient, transientness)
5
precipitate(verb, summary, rapid, swift)
5
short(summary, rapid, swift, instant)
4
direct(prompt, fast, quick, immediate)
4
expeditious(fast, precise, responsive, summary)
4
eye-opening(amazing, astonishing, astounding, dumbfounding)
4
fading
4
fleet(fast, summary, rapid, swift)
4
passing(transient, transientness)
4
rash(impulsive, sudden)
4
ready
4
restless
4
shifting(transient, transientness)
4
short-lived(transient, transientness)
4
unhesitating
3
changeable
3
express(verb, fast, summary, rapid)
3
fickle
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APASmart Define. (2016). instantaneous thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/instantaneous/thesaurus/synonyms
ChicagoSmart Define. 2016. "instantaneous thesaurus" https://smartdefine.org/instantaneous/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, instantaneous thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/instantaneous/thesaurus/synonyms>.
MLASmart Define. "instantaneous thesaurus" 26 February 2016. Web. 25 September 2026. <https://smartdefine.org/instantaneous/thesaurus/synonyms>