8
temporary(adjective, transientness)
8
short-lived
6
transient(adjective, brief, temporary, traveling, fleeting)
5
ephemeral
5
evanescent
5
caducous
5
fugacious
5
momentary
4
fugitive
4
impermanent(adjective, transientness)
4
fleeting
4
mortal(adjective, transientness)
4
temporal(adjective, transientness)
3
transitory
3
broadleaf
3
passing
3
brief
3
fly-by-night
3
perishable(adjective, transientness)
3
unstable
<1234510>
11 years ago|3.3k views|share |citing 
APASmart Define. (2015). deciduous thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/deciduous/thesaurus/synonyms
ChicagoSmart Define. 2015. "deciduous thesaurus" https://smartdefine.org/deciduous/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, deciduous thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/deciduous/thesaurus/synonyms>.
MLASmart Define. "deciduous thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/deciduous/thesaurus/synonyms>