212 entries under adjective topic. ×

44
firm(noun, mean, strong, hard)
43
stubborn(characteristic, quality, mean, strong)
38
resolute(determined, obstinate, uncompromising, unshakeable)
37
inflexible(mean, strong, hard, secure)
33
determined(strong, tough, resolute, obstinate)
32
immovable(mean, strong, hard, secure)
31
intransigent(determined, resolute, obstinate, uncompromising)
31
rigid(mean, hard, determined, unreasonable)
29
inexorable(mean, hard, tough, determined)
29
obdurate(determined, resolute, obstinate, stubborn)
29
uncompromising(mean, hard, secure, firm)
28
fixed(mean, strong, hard, complete)
25
stiff(determined, resolute, obstinate, uncompromising)
25
unyielding(mean, strong, hard, secure)
24
insistent(determined, resolute, obstinate, uncompromising)
23
unbending(mean, strong, hard, tough)
22
relentless(mean, strong, hard, tough)
20
set(strong, hard, secure, tough)
20
steadfast(firm, determined, resolute, obstinate)
20
unrelenting(mean, hard, tough, certain)
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APASmart Define. (2015). unshakable thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unshakable/thesaurus/synonyms
ChicagoSmart Define. 2015. "unshakable thesaurus" https://smartdefine.org/unshakable/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, unshakable thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unshakable/thesaurus/synonyms>.
MLASmart Define. "unshakable thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/unshakable/thesaurus/synonyms>