Uncompromising
Pronunciation : Un*com"pro*mi`sing
Part of Speech : a.
Definition : Defn: Not admitting of compromise; making no truce or concessions; obstinate; unyielding; inflexible. -- Un*com"pro*mi`sing*ly, adv.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder