55 entries under permanent topic. ×

3
repeated(adjective, continuous, established, everlasting)
2
forever(adjective, adverb, stable, constant, vast)
2
immemorial(vast, everlasting, unending, undying)
2
longstanding(adjective, vast, recurrent, perpetual)
2
ongoing(adjective, current, long-term, lifelong)
2
unbroken(adjective, persistent, constant, continuous, endless)
1
continued(adjective, great, deep, high, remote)
1
inexpungible(adjective, vast, long-term, lifelong)
1
neverending(adjective, resolute, persistent, constant, living)
1
termless(vast, everlasting, unending, undying)
1
without end(expression, continuous, vast, everlasting)
0
immovable(firm, true, fixed, constant, established)
0
indefinite(everlasting, unending, undying, immutable)
0
inexhaustible(adjective, certain, reliable, trustworthy)
0
till the cows come home(expression, adjective, idiom, vast)
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APASmart Define. (2016). lasting thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/lasting/thesaurus/synonyms
ChicagoSmart Define. 2016. "lasting thesaurus" https://smartdefine.org/lasting/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, lasting thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/lasting/thesaurus/synonyms>.
MLASmart Define. "lasting thesaurus" 26 February 2016. Web. 21 September 2026. <https://smartdefine.org/lasting/thesaurus/synonyms>