Synonyms|27Antonyms|25|Broader|2Narrower|5Related|13
3
permanence
2
durability(noun, time, weakness, lastingness)
2
permanency
1
endurance
0
constancy
0
continuance
0
continuation
0
durableness
0
fixedness
0
hard as nails(noun, expression, idiom, weakness, lastingness)
0
immovability
0
indestructibility
0
mettle
0
patience
0
perpetuity
0
persistence
0
persistency
0
reliability
0
resoluteness
0
rigidity
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APASmart Define. (2015). impermanency thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/impermanency/thesaurus/antonyms
ChicagoSmart Define. 2015. "impermanency thesaurus" https://smartdefine.org/impermanency/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2015, impermanency thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/impermanency/thesaurus/antonyms>.
MLASmart Define. "impermanency thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/impermanency/thesaurus/antonyms>