14 entries under adjective topic. ×

2
imperturbable(calm, collected, jittery)
1
unflappable(calm, strong)
0
calm
0
certain(calm, strong)
0
collected(calm, strong)
0
easy(calm, strong)
0
easygoing(calm, strong)
0
firm(calm, strong)
0
insensitive(calm, strong)
0
laid-back(calm, strong)
0
safe(calm, strong)
0
stable(calm, strong)
0
strong
0
sure(calm, strong)
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APASmart Define. (2015). perturbable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/perturbable/thesaurus/antonyms
ChicagoSmart Define. 2015. "perturbable thesaurus" https://smartdefine.org/perturbable/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2015, perturbable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/perturbable/thesaurus/antonyms>.
MLASmart Define. "perturbable thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/perturbable/thesaurus/antonyms>