Synonyms|126Antonyms|61|Broader|0Narrower|0Related|244

19 entries under familiar topic. ×

11
perennial(adjective, established, hardened, enduring)
7
continuing(adjective, fixed, persistent, lasting)
6
enduring(adjective, fixed, established, hardened)
6
old(adjective, established, hardened, traditional)
6
perpetual(adjective, established, permanent, durable)
5
inveterate(adjective, fixed, persistent, established)
5
long-lived(adjective, persistent, established, hardened)
4
constant(adjective, fixed, persistent, established)
4
long-lasting(adjective, established, hardened, lasting)
0
firm(established, long-established)
0
hardened(established, confirmed, chronic, long-established)
0
long-established
0
of long standing(expression, idiom, established, long-established)
0
practiced(established, long-established)
0
solid(established, long-established)
0
staying(established, long-established)
0
steady(established, long-established)
0
time-honored(established, long-established)
0
vintage(established, long-established)
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APASmart Define. (2015). lifelong thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/lifelong/thesaurus/synonyms
ChicagoSmart Define. 2015. "lifelong thesaurus" https://smartdefine.org/lifelong/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, lifelong thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/lifelong/thesaurus/synonyms>.
MLASmart Define. "lifelong thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/lifelong/thesaurus/synonyms>