uncompromising (comparative more uncompromising, superlative most uncompromising)
- Inflexible and unwilling to negotiate or make concessions.
1959, Georgette Heyer, chapter 1, The Unknown Ajax:
- But Richmond, his grandfather's darling, after one thoughtful glance cast under his lashes at that uncompromising countenance appeared to lose himself in his own reflections.
inflexible and unwilling to negotiate or make concessions