4
perishable(adjective, present, short, limited, brief)
4
pro tem(adjective, temporary)
4
restless(adjective, transient)
4
rootless(adjective, transient)
4
sudden(adjective, brief, immediate, instant, transitory)
4
summary(adjective, brief, fleeting, transientness)
4
unstable(adjective, present, short, limited, unpredictable)
3
abrupt(immediate, instant, sudden, instantaneity)
3
brisk(adjective, transientness)
3
capricious(impulsive, unpredictable, explosive)
3
fleet(adjective, time, continue)
3
limited
3
makeshift
3
short-range(adjective, temporary)
3
trivial(adjective, slight, important, small, unimportant)
2
deciduous
2
discontinuous
2
elastic(adjective, impulsive, unpredictable, explosive)
2
erratic(adjective, impulsive, unpredictable, explosive)
2
flashing(adjective, brief, fleeting)
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APASmart Define. (2016). momentary thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/momentary/thesaurus/synonyms
ChicagoSmart Define. 2016. "momentary thesaurus" https://smartdefine.org/momentary/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, momentary thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/momentary/thesaurus/synonyms>.
MLASmart Define. "momentary thesaurus" 26 February 2016. Web. 27 September 2026. <https://smartdefine.org/momentary/thesaurus/synonyms>