529 entries under adjective topic. ×

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cursory(brief, transient, transitory, short-lived)
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flippant(smart, casual, unconcerned, changeable)
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fragile
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gaseous(impulsive, unpredictable, changeable, explosive)
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glad(pleasure, happy, merry, funny)
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gleeful(pleasure, happy, glad, merry)
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happy-go-lucky(pleasure, glad, merry, funny)
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high-strung(anxious, unstable, restless, fiery)
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hot-blooded(passionate, unpredictable, heated, fiery)
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hysterical(anxious, nervous, worried, tense)
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impatient(passionate, nervous, sensitive, unstable)
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infirm
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jocund(pleasure, happy, glad, merry)
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jolly(pleasure, happy, glad, merry)
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jovial(pleasure, glad, merry, funny)
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joyful(pleasure, glad, merry, funny)
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joyous(pleasure, happy, glad, merry)
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petulant(delicate, passionate, sensitive, unstable)
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querulous(delicate, anxious, sensitive, worried)
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rambling(irregular, unpredictable, unreliable, motiveless)
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APASmart Define. (2016). volatile thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/volatile/thesaurus/synonyms
ChicagoSmart Define. 2016. "volatile thesaurus" https://smartdefine.org/volatile/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, volatile thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/volatile/thesaurus/synonyms>.
MLASmart Define. "volatile thesaurus" 26 February 2016. Web. 24 September 2026. <https://smartdefine.org/volatile/thesaurus/synonyms>