un compromising (adjective) uncompromising: stubborn
Sinonime: brick-wall,
decided,
determined,
firm, hard-core, hard-line,
inexorable,
inflexible,
intransigent, locked,
obdurate,
obstinate, pigheaded,
relentless,
resolute,
rigid, set in stone, single-minded,
steadfast, stiff-necked,
strict,
strong,
tough, unbending
Antonime: compromising,
cooperative,
flexible,
open,
willing