uncompromising
adj.adj. unwilling to change your ideas or behavior, even if people disagree with you. It describes someone who stays very firm about what they believe is right.
adj. unwilling to grant concessions or reach a middle ground; showing an inflexible adherence to a standard or principle. Often carries a positive connotation of integrity or a negative one of stubbornness depending on context.
She is uncompromising when it comes to the quality of her work.
The director's uncompromising vision for the film meant he refused to cut any scenes for the studio.
His uncompromising stance on environmental regulations earned him respect from activists but made him a difficult partner for industrial leaders seeking a more gradual transition.
From un- + compromising.
Can be used both attributively before a noun and predicatively after linking verbs like 'be', 'remain', or 'seem'.