Synonyms|240Antonyms|92|Broader|3Narrower|1Related|601
0
ingrained
0
interminable
0
invariable
0
inveterate
0
irreparable
0
irretrievable
0
irreversible
0
irrevocable
0
knowable
0
lengthy
0
lifetime
0
lingering
0
long
0
long-continued
0
long-drawn-out
0
long-range
0
long haul
0
nonnegotiable
0
perennial
0
resolved
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APASmart Define. (2016). impermanent thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/impermanent/thesaurus/antonyms
ChicagoSmart Define. 2016. "impermanent thesaurus" https://smartdefine.org/impermanent/thesaurus/antonyms (accessed September 21, 2026).
HarvardSmart Define 2016, impermanent thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/impermanent/thesaurus/antonyms>.
MLASmart Define. "impermanent thesaurus" 26 February 2016. Web. 21 September 2026. <https://smartdefine.org/impermanent/thesaurus/antonyms>