Synonyms|489Antonyms|42|Broader|2Narrower|0Related|227

68 entries under stable topic. ×

1
intense(adjective, firm, solid, deliberate, determined)
1
solid as a rock(expression, adjective, idiom, firm, solid)
1
steady-going(adjective, firm, solid, steady)
1
unceasing(adjective, strong, firm, determined, steady)
0
allegiant(adjective, firm, solid, fixed)
0
balanced(adjective, firm, solid, fixed)
0
cool(adjective, firm, solid, fixed)
0
durable(adjective, firm, solid, fixed)
0
equable(adjective, firm, solid, steady)
0
imperturbable(adjective, firm, solid, fixed)
0
levelheaded(adjective, firm, solid, fixed)
0
liege(adjective, firm, solid, fixed)
0
patterned(adjective, firm, solid, fixed)
0
reserved(adjective, firm, solid, fixed)
0
safe(adjective, firm, solid, fixed)
0
sedate(adjective, firm, solid, fixed)
0
self-possessed(adjective, firm, solid, fixed)
0
sensible(adjective, firm, solid, fixed)
0
serene(adjective, firm, solid, fixed)
0
serious-minded(adjective, firm, solid, fixed)
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ChicagoSmart Define. 2015. "unfaltering thesaurus" https://smartdefine.org/unfaltering/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, unfaltering thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/unfaltering/thesaurus/synonyms>.
MLASmart Define. "unfaltering thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/unfaltering/thesaurus/synonyms>