8 entries under fleeting topic. ×

26
temporary(adjective, moving, continue, casual, brief)
23
transient(adjective, moving, casual, limited, brief)
22
ephemeral(adjective, limited, brief, passing, temporary)
19
transitory(adjective, short, limited, brief, temporary)
18
evanescent(adjective, limited, brief, temporary, transient)
17
momentary(adjective, limited, brief, temporary, transient)
17
passing(adjective, limited, brief, temporary, transient)
7
perishable(adjective, present, short, limited, brief)
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APASmart Define. (2016). impermanent thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/impermanent/thesaurus/synonyms
ChicagoSmart Define. 2016. "impermanent thesaurus" https://smartdefine.org/impermanent/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, impermanent thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/impermanent/thesaurus/synonyms>.
MLASmart Define. "impermanent thesaurus" 26 February 2016. Web. 20 September 2026. <https://smartdefine.org/impermanent/thesaurus/synonyms>