Synonyms|198Antonyms|1|Broader|0Narrower|0Related|20
1
recurring(persistent, continuous, lasting, continuing, remaining)
1
routine(persistent, continuous, lasting, continuing, remaining)
1
secure(steady, even, unchanging)
1
sempervirent
1
set(adjective, steady, even, hardened, unchanging)
1
staunch(steady, even, unchanging)
1
tenacious(persistent, continuous, lasting, continuing, remaining)
1
time honoured
1
tried and true(expression, idiom)
1
true-blue
1
true blue
1
unabating(persistent, continuous, lasting, continuing, remaining)
1
unapologetic(adjective, acknowledge, feel, negative, impenitent)
1
unchangeable(steady, even, unchanging)
1
unchanging(steady, even)
1
understood
1
unfading
1
unmitigated(persistent, continuous, lasting, continuing, remaining)
1
unwavering(steady, even, unchanging)
1
unwritten
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APASmart Define. (2015). long-standing thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/long-standing/thesaurus/synonyms
ChicagoSmart Define. 2015. "long-standing thesaurus" https://smartdefine.org/long-standing/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, long-standing thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/long-standing/thesaurus/synonyms>.
MLASmart Define. "long-standing thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/long-standing/thesaurus/synonyms>