1
stressful(adjective, state, feeling, calmness)
0
fretful
0
frightful
0
ghastly
0
gingerly
0
grave
0
heedful
0
impassioned
0
interested(adjective, hard, concerned)
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jumpy(adjective, hard, concerned)
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mindful
0
particular(adjective, ordinary, demanding, ambiguous, finicky)
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passionate
0
sensitive
0
solicitous
0
strong
0
unnerved(adjective, hard, concerned)
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vigorous
0
warm
0
zealous
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APASmart Define. (2015). nonchalant thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/nonchalant/thesaurus/antonyms
ChicagoSmart Define. 2015. "nonchalant thesaurus" https://smartdefine.org/nonchalant/thesaurus/antonyms (accessed September 26, 2026).
HarvardSmart Define 2015, nonchalant thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/nonchalant/thesaurus/antonyms>.
MLASmart Define. "nonchalant thesaurus" 9 December 2015. Web. 26 September 2026. <https://smartdefine.org/nonchalant/thesaurus/antonyms>