inflexible Synonyms

unbending rigid stubborn obstinate uncompromising unyielding unrelenting pertinacious inexorable unshakable tenacious tough traditionalist tyrannical unaccommodating uncharitable willful unelastic unflexible wilful unmovable unswayable unsparing unlimber sturdy strong-minded severe set self-willed ruthless rigorous rigorist rhadamanthine resolved single-minded starched stringent strict stony stiff-necked stiff stern steely steadfast resolute unalterable unreconstructed small-minded semirigid rock-ribbed