124 entries under fixed topic. ×

2
of a piece(expression, adjective, idiom, steady, stable)
2
reliable(adjective, close, correct, firm, honest)
2
secure(adjective, firm, solid, steady, stable)
2
set in stone(expression, adjective, idiom, firm, solid)
2
sober(adjective, quiet, moderate, severe, firm)
2
unshaken(adjective, set, clear, strong, firm)
1
allegiant(adjective, close, correct, firm, honest)
1
ardent(adjective, close, correct, firm, honest)
1
brick-wall(adjective, firm, solid, steady, substantial)
1
cold(adjective, close, hard, severe, harsh)
1
liege(adjective, firm, solid, true, fast)
1
like the Rock of Gibralter(expression, adjective, idiom, steady, stable)
1
loyal(adjective, close, strong, correct, firm)
1
monochrome(adjective, dull, steady, stable, regular)
1
monophonic(adjective, dull, steady, stable, regular)
1
never-failing(adjective, set, clear, firm, solid)
1
perfunctory(adjective, cold, useful, powered)
1
regularized(adjective, dull, steady, stable, regular)
1
single-minded(adjective, severe, firm, harsh, solid)
1
solid as rock(expression, adjective, idiom, steady, stable)
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APASmart Define. (2015). unchanging thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/unchanging/thesaurus/synonyms
ChicagoSmart Define. 2015. "unchanging thesaurus" https://smartdefine.org/unchanging/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, unchanging thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/unchanging/thesaurus/synonyms>.
MLASmart Define. "unchanging thesaurus" 10 November 2015. Web. 23 September 2026. <https://smartdefine.org/unchanging/thesaurus/synonyms>