Synonyms|172Antonyms|12|Broader|1Narrower|0Related|152

19 entries under familiar topic. ×

10
long-lived(adjective, continue, established, hardened)
8
enduring(adjective, tough, continue, sturdy)
8
perennial(adjective, continue, constant, enduring)
7
continuing(adjective, continue, established, hardened)
5
constant(adjective, tough, sturdy, enduring)
4
inveterate(adjective, established, hardened, confirmed)
4
lifelong(adjective, established, hardened, lasting)
4
old(adjective, continue, established, hardened)
3
of long standing(expression, idiom, established, long-established)
3
perpetual(adjective, stable, constant, established)
2
firm(adjective, tough, sturdy, established)
2
staying(established, long-established)
2
steady(adjective, established, enduring, remaining)
1
solid(established, long-established)
0
hardened(established, confirmed, chronic, long-established)
0
long-established
0
practiced(established, long-established)
0
time-honored(established, long-established)
0
vintage(established, long-established)
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APASmart Define. (2015). long-lasting thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/long-lasting/thesaurus/synonyms
ChicagoSmart Define. 2015. "long-lasting thesaurus" https://smartdefine.org/long-lasting/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, long-lasting thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/long-lasting/thesaurus/synonyms>.
MLASmart Define. "long-lasting thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/long-lasting/thesaurus/synonyms>