Synonyms|172Antonyms|16|Broader|1Narrower|0Related|28

45 entries under permanent topic. ×

1
solid(calm, strong, steady, substantial, even)
1
termless(lasting, everlasting, unending, undying)
1
till the cows come home(expression, idiom, long-term, lifelong)
0
ongoing(long-term, lifelong)
0
relentless(lasting, everlasting, unending, undying)
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APASmart Define. (2016). perdurable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/perdurable/thesaurus/synonyms
ChicagoSmart Define. 2016. "perdurable thesaurus" https://smartdefine.org/perdurable/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, perdurable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/perdurable/thesaurus/synonyms>.
MLASmart Define. "perdurable thesaurus" 3 March 2016. Web. 22 September 2026. <https://smartdefine.org/perdurable/thesaurus/synonyms>