1
flagituous(adjective, aroused negative)
1
fleeting
1
flitting
1
fly-by-night
1
flying
1
frosty
1
frozen(adjective, hard, firm, solid, tense)
1
fudge
1
fugacious
1
fugitive
1
gimcracky
1
gossamery
1
gothly(adjective, aroused negative)
1
graceless(adjective, hard, firm, solid, tense)
1
hardened(adjective, hard, firm, solid, stiff)
1
harsh
1
high-strung(adjective, excitable)
1
hot-tempered(adjective, excitable)
1
immalleable(adjective, hard, firm, solid, stiff)
1
impermanent
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APASmart Define. (2016). brittle thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/brittle/thesaurus/synonyms
ChicagoSmart Define. 2016. "brittle thesaurus" https://smartdefine.org/brittle/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, brittle thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/brittle/thesaurus/synonyms>.
MLASmart Define. "brittle thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/brittle/thesaurus/synonyms>