14 entries under constant topic. ×

6
unchangeable(adjective, calm, steadfast, inconstant)
4
certain(adjective, calm)
4
unchanging(adjective, flexible, permanent)
4
fixed(adjective, calm)
3
changeless(adjective, calm)
3
stable(adjective, calm, weak, soft)
3
steady(adjective, calm)
2
unvarying(adjective, calm)
2
lasting(adjective, calm)
2
reliable(adjective, calm)
2
sure(adjective, calm)
1
steadfast(adjective, calm)
0
calm
0
undeviating(adjective, calm, weak, soft, uncertain)
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APASmart Define. (2016). changeable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/changeable/thesaurus/antonyms
ChicagoSmart Define. 2016. "changeable thesaurus" https://smartdefine.org/changeable/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2016, changeable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/changeable/thesaurus/antonyms>.
MLASmart Define. "changeable thesaurus" 26 February 2016. Web. 23 September 2026. <https://smartdefine.org/changeable/thesaurus/antonyms>