Synonyms|79Antonyms|12|Broader|0Narrower|0Related|202
1
persisting(permanent, long-term, lifelong)
1
product
1
stable(adjective, permanent, long-term, lifelong)
1
till the cows come home(expression, idiom, vast, permanent, long-term)
1
unceasing(permanent, recurrent, perpetual, long-term, lifelong)
1
undying(permanent, recurrent, perpetual, long-term, lifelong)
1
unending(permanent, long-term, lifelong)
1
unremitting(permanent, long-term, lifelong)
0
antiquated
0
bygone
0
crusted
0
dyed-in-the-wool
0
elderly person(expression, idiom)
0
fixed(permanent, innate, inherent, long-term, lifelong)
0
for life
0
immemorial
0
ingrained
0
inherent
0
inherited
0
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APASmart Define. (2013). longstanding thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/longstanding/thesaurus/synonyms
ChicagoSmart Define. 2013. "longstanding thesaurus" https://smartdefine.org/longstanding/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2013, longstanding thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/longstanding/thesaurus/synonyms>.
MLASmart Define. "longstanding thesaurus" 27 June 2013. Web. 22 September 2026. <https://smartdefine.org/longstanding/thesaurus/synonyms>