uncompromising

uncompromising
    adj 1: not making concessions; "took an uncompromising stance in
           the peace talks"; "uncompromising honesty" [syn:
           {uncompromising}, {sturdy}, {inflexible}] [ant:
           {compromising}, {conciliatory}, {flexible}]
    

Uncompromising \Un*com"pro*mi`sing\, a.
   Not admitting of compromise; making no truce or concessions;
   obstinate; unyielding; inflexible. --
   {Un*com"pro*mi`sing*ly}, adv.
   [1913 Webster]
    

57 Moby Thesaurus words for "uncompromising":
      adamant, adamantine, cast-iron, dour, firm, flinty, fundamentalist,
      grim, hard, hard-core, hard-line, hidebound, immovable, immutable,
      implacable, impliable, inelastic, inexorable, inflexible,
      intransigent, iron, ironbound, ironclad, ironhanded,
      irreconcilable, muscle-bound, obdurate, obstinate, orthodox,
      procrustean, purist, puristic, puritan, puritanic, relentless,
      rigid, rigorist, rigoristic, rigorous, rock-ribbed, rockbound,
      single-minded, steely, stern, stiff, straightlaced, straitlaced,
      stubborn, unaffected, unalterable, unbending, unchangeable,
      uncompliant, ungiving, unmoved, unrelenting, unyielding