Synonyms|440Antonyms|121|Broader|7Narrower|1Related|160
4
changed greatly
4
uncertain
3
inconstant
3
unsure
2
exhaustible
2
failing
2
fallible
2
impermanent
1
capricious
1
changeable
1
erratic
1
fickle
1
questionable
1
undependable
1
unreliable
0
abnormal
0
abrupt
0
alterable
0
alternating
0
apocryphal
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APASmart Define. (2016). unfailing thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unfailing/thesaurus/antonyms
ChicagoSmart Define. 2016. "unfailing thesaurus" https://smartdefine.org/unfailing/thesaurus/antonyms (accessed September 28, 2026).
HarvardSmart Define 2016, unfailing thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unfailing/thesaurus/antonyms>.
MLASmart Define. "unfailing thesaurus" 3 March 2016. Web. 28 September 2026. <https://smartdefine.org/unfailing/thesaurus/antonyms>