Synonyms|75Antonyms|0|Broader|0Narrower|0Related|6

19 entries under long-established topic. ×

2
constant(familiar, established)
2
continuing(familiar, established)
2
enduring(familiar, established)
2
inveterate(familiar, established)
2
long-lasting(familiar, established)
2
long-lived(familiar, established)
2
perennial(familiar, established)
2
perpetual(familiar, established)
2
time-honored(familiar, established)
1
old(adjective, familiar, established, traditional, unremitting)
0
familiar
0
firm(familiar, established)
0
hardened(familiar, established)
0
lifelong(familiar, established)
0
practiced(familiar, established)
0
solid(familiar, established)
0
staying(familiar, established, unremitting, oft-repeated)
0
steady(familiar, established)
0
vintage(familiar, established)
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APASmart Define. (2015). of long standing thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/of_long_standing/thesaurus/synonyms
ChicagoSmart Define. 2015. "of long standing thesaurus" https://smartdefine.org/of_long_standing/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, of long standing thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/of_long_standing/thesaurus/synonyms>.
MLASmart Define. "of long standing thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/of_long_standing/thesaurus/synonyms>