0
livelong
0
long-serving
0
long forgotten(expression, childhood)
0
loyal
0
nailed(steady, even, unchanging)
0
never-ending
0
poised(steady, even, unchanging)
0
practised
0
prepared
0
product
0
recurrent(persistent, continuous, lasting, continuing, remaining)
0
reliable(steady, even, unchanging)
0
remoteness
0
remoter
0
remotes
0
resolute(steady, even, unchanging)
0
safe(steady, even, unchanging)
0
set in stone(expression, idiom, steady, even, unchanging)
0
solid(steady, even, unchanging)
0
solid as a rock(expression, idiom, steady, even, unchanging)
11 years ago|2.3k views|share |citing 
APASmart Define. (2015). long-standing thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/long-standing/thesaurus/synonyms
ChicagoSmart Define. 2015. "long-standing thesaurus" https://smartdefine.org/long-standing/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, long-standing thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/long-standing/thesaurus/synonyms>.
MLASmart Define. "long-standing thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/long-standing/thesaurus/synonyms>