33 entries under unchanging topic. ×

5
perdurable(adjective, continue, steady, even)
3
immutable(steady, even)
2
tough(steady, even)
1
secure(steady, even)
1
set(adjective, steady, even, hardened)
1
staunch(steady, even)
1
unchangeable(steady, even)
1
unwavering(steady, even)
1
well-founded(adjective, steady, even)
0
anchored(steady, even)
0
balanced(steady, even)
0
brick-wall(steady, even)
0
calm(steady, even)
0
committed(steady, even)
0
equable(steady, even)
0
even
0
fixed resistant(expression, steady, even)
0
nailed(steady, even)
0
poised(steady, even)
0
reliable(steady, even)
<12>
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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>