Shows an intense determination to not change one's position or opinion on something. Despite the protests, the committee remained implacably opposed to altering the schedule.
Pro Tip 2/3
Strong Opposition
Used to emphasize the depth and persistence of someone's disagreement or resistance. She faced her competitors implacably, unwilling to back down.
Pro Tip 3/3
Emotional Intensity
Carries a connotation of deep-seated emotions fueling someone's unyielding stance. He was implacably angry about the unfair decision.