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2 entries under momentary topic. ×

7
ephemeral(adjective, passing, lasting, temporary)
2
temporal
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APASmart Define. (2016). permanent thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/permanent/thesaurus/antonyms
ChicagoSmart Define. 2016. "permanent thesaurus" https://smartdefine.org/permanent/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2016, permanent thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/permanent/thesaurus/antonyms>.
MLASmart Define. "permanent thesaurus" 26 February 2016. Web. 25 September 2026. <https://smartdefine.org/permanent/thesaurus/antonyms>