Synonyms|414Antonyms|86|Broader|9Narrower|9Related|106
1
treason
1
unfaithfulness
0
alienation
0
apathy
0
betrayal
0
changeability(calm, constancy)
0
changeableness
0
changefulness
0
cheating
0
debility
0
deceitfulness
0
defect
0
defection
0
deficiency
0
disaffection
0
disagreement
0
discrepancy
0
doubt
0
dread
0
enmity(noun, inconstancy)
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APASmart Define. (2015). steadfastness thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/steadfastness/thesaurus/antonyms
ChicagoSmart Define. 2015. "steadfastness thesaurus" https://smartdefine.org/steadfastness/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2015, steadfastness thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/steadfastness/thesaurus/antonyms>.
MLASmart Define. "steadfastness thesaurus" 23 December 2015. Web. 23 September 2026. <https://smartdefine.org/steadfastness/thesaurus/antonyms>