6
peaceful(adjective, calm, happy)
5
easygoing(adjective, calm, happy)
5
laid-back(adjective, calm, happy)
5
stable(adjective, calm, happy)
4
happy(adjective, calm)
4
reliable(adjective, calm, happy)
4
steady(adjective, calm, happy)
3
constant(adjective, calm, happy)
3
dependable(adjective, calm, happy)
2
certain
2
durable
2
good
2
pleased(adjective, calm, happy)
1
stoic
1
easy-going(adjective, calm, happy)
1
immutable
1
lasting
1
permanent
1
predictable(adjective, calm, happy)
1
set
10 years ago|1.1k views|share |citing 
APASmart Define. (2016). temperamental thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/temperamental/thesaurus/antonyms
ChicagoSmart Define. 2016. "temperamental thesaurus" https://smartdefine.org/temperamental/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2016, temperamental thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/temperamental/thesaurus/antonyms>.
MLASmart Define. "temperamental thesaurus" 28 March 2016. Web. 22 September 2026. <https://smartdefine.org/temperamental/thesaurus/antonyms>