126 entries under sturdy topic. ×

62
firm(adjective, calm, change, set, mean)
56
set(verb, adjective, change, strong, hard)
44
resolute(adjective, set, strong, hard, secure)
40
immovable(adjective, move, mean, strong, hard)
40
permanent(adjective, strong, secure, tough, firm)
33
settled(verb, adjective, set, strong, secure)
32
unyielding(adjective, mean, strong, hard, sound)
29
unchanging(adjective, severe, firm, harsh, solid)
28
steadfast(adjective, move, calm, strong, complete)
26
unshakable(adjective, mean, strong, hard, complete)
23
fast(adjective, adverb, strong, complete, secure)
23
unchangeable(adjective, strong, complete, secure, flat)
20
constant(adjective, strong, complete, secure, tough)
20
unwavering(adjective, strong, secure, flat, firm)
19
stable(adjective, adverb, calm, quiet, strong)
18
enduring(adjective, strong, sound, tough, flat)
18
rooted(verb, adjective, strong, hard, secure)
18
steady(adjective, adverb, move, strong, sound)
16
certain(noun, adjective, change, clear, complete)
16
changeless(adjective, severe, firm, harsh, solid)
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APASmart Define. (2016). fixed thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/fixed/thesaurus/synonyms
ChicagoSmart Define. 2016. "fixed thesaurus" https://smartdefine.org/fixed/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, fixed thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/fixed/thesaurus/synonyms>.
MLASmart Define. "fixed thesaurus" 16 March 2016. Web. 21 September 2026. <https://smartdefine.org/fixed/thesaurus/synonyms>