un·com·pro·mis·ing 
/ˌʌnˈkɑ:mprəˌmaɪzɪŋ/ adjective
/ˌʌnˈkɑ:mprəˌmaɪzɪŋ/ adjective [more uncompromising; most uncompromising] : not willing to change a decision, opinion, method, etc. : not willing to make or accept a compromise
▪ They were uncompromising in their demands. ▪ uncompromising standards of excellence
▪ They were uncompromising in their demands. ▪ uncompromising standards of excellence
— un·com·pro·mis·ing·ly adverb
