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3
elusive(adjective, vague, impulsive, unpredictable, mysterious)
1
imponderable(vague, impulsive, unpredictable, mysterious)
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APASmart Define. (2016). fugacious thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/fugacious/thesaurus/synonyms
ChicagoSmart Define. 2016. "fugacious thesaurus" https://smartdefine.org/fugacious/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, fugacious thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/fugacious/thesaurus/synonyms>.
MLASmart Define. "fugacious thesaurus" 26 February 2016. Web. 21 September 2026. <https://smartdefine.org/fugacious/thesaurus/synonyms>