incapable of adapting or changing to meet circumstances; "a rigid disciplinarian"; "an inflexible law"; "an unbending will to dominate"状況に合わせるために、適応させたり変化させたりすることができない頑固
例:an inflexible law 柔軟性のない法律
not making concessions; "took an uncompromising stance in the peace talks"; "uncompromising honesty"譲歩をしない頑固