steely Synonyms - page 2

uncompromising strong-minded single-minded adamant controlled cool cruel disciplined dogged dour dure ferric ferrous composed cold-hearted adamantine argentine arthritic austere barbed buckram callous cemental cold flinty forbidding gray merciless metallic nickelic nickeline obdurate obstinate pewter pewtery pitiless lapideous iron-gray grayish hardened harsh heartless immovable impassive impliable inelastic inexorable relentless