8
slapdash(adjective, slight, detail, limited, trivial)
7
crossing(noun, verb, going by)
7
departing(noun, verb, departure, dying, going by)
7
disappearance(noun, overthrow, going, loss, departure)
7
disappearing(verb, adjective, transient, short-lived, going by)
7
extinction(noun, act, end, release, ruin)
7
parting(noun, verb, end, release, ruin)
7
perfunctory(adjective, slight, detail, casual, trivial)
7
short-term(adjective, temporary, transient)
6
ending(noun, verb, adjective, end, release)
6
happening(verb, happening)
6
occurring(verb, happening)
6
provisional(adjective, tentative, contingent)
6
quietus(noun, act, end, release, ruin)
6
shifting(verb, adjective, moving, transient, transientness)
6
summary(adjective, slight, detail, limited, trivial)
6
transitional
5
annihilation(noun, end, release, ruin, finish)
5
changeable(adjective, transient)
5
enactment
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APASmart Define. (2016). passing thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/passing/thesaurus/synonyms
ChicagoSmart Define. 2016. "passing thesaurus" https://smartdefine.org/passing/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, passing thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/passing/thesaurus/synonyms>.
MLASmart Define. "passing thesaurus" 26 February 2016. Web. 21 September 2026. <https://smartdefine.org/passing/thesaurus/synonyms>