0
indissoluble
0
invariable
0
inveterate
0
long-lasting
0
long-lived
0
longstanding
0
overall
0
perennial
0
permanence
0
persistent
0
prolonged
0
rooted
0
sedulous
0
set
0
standing
0
substantial
0
sure
0
tough
0
unadulterated
0
unconditional
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APASmart Define. (2016). interim thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/interim/thesaurus/antonyms
ChicagoSmart Define. 2016. "interim thesaurus" https://smartdefine.org/interim/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2016, interim thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/interim/thesaurus/antonyms>.
MLASmart Define. "interim thesaurus" 26 February 2016. Web. 22 September 2026. <https://smartdefine.org/interim/thesaurus/antonyms>