C1 adjective /ʌnˈkɒm.prə.maɪ.zɪŋ/
Uncompromising
непреклонный, упрямый
Meaning
unwilling to change one's views or to agree about something; showing an unwillingness to make concessions to others
Example
He was uncompromising in his demand for a full apology.
Он был непреклонен в своем требовании полного извинения.