not admitting of compromise or adjustment of differences; making no concessions; inaccessible to flexible bargaining; unyielding: an uncompromising attitude.
without reservation or exception; undeviating; absolute, as believing in or adhering to a principle, position, or the like: an uncompromising abolitionist.
Origin: 1820–30; un-1 Related forms
1. rigid, obstinate. 2. firm, steadfast.