40 entries under adjective topic. ×

7
inflexible(determined, resolute, uncompromising, unshakeable)
6
stubborn(change, position, attitude, determination)
5
die-hard(determined, resolute, uncompromising, unshakeable)
5
inexorable(determined, resolute, uncompromising, unshakeable)
5
intransigent(determined, resolute, uncompromising, unshakeable)
5
rigid(determined, resolute, uncompromising, unshakeable)
5
unbending(determined, resolute, uncompromising, unshakeable)
5
uncompromising(determined, resolute, unshakeable)
5
unrelenting(determined, resolute, uncompromising, unshakeable)
5
unyielding(determined, resolute, uncompromising, unshakeable)
4
rockbound
3
firm(determined, resolute, uncompromising, unshakeable)
3
grim(determined, resolute, uncompromising, unshakeable)
3
immovable(determined, resolute, uncompromising, unshakeable)
3
implacable(determined, resolute, uncompromising, unshakeable)
3
iron(determined, resolute, uncompromising, unshakeable)
3
obdurate(determined, resolute, uncompromising, unshakeable)
3
relentless(determined, resolute, uncompromising, unshakeable)
3
rocky(rugged, stony)
3
steely(determined, resolute, uncompromising, unshakeable)
<12>
11 years ago|2k views|share |citing 
APASmart Define. (2015). rock-ribbed thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/rock-ribbed/thesaurus/synonyms
ChicagoSmart Define. 2015. "rock-ribbed thesaurus" https://smartdefine.org/rock-ribbed/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, rock-ribbed thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/rock-ribbed/thesaurus/synonyms>.
MLASmart Define. "rock-ribbed thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/rock-ribbed/thesaurus/synonyms>