- 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.
- not prepared to give ground or to compromise
adj.1799, from un- (1) “not” + gerundive of compromise (v.). Related: Uncompromisingly.