noun
constancy; fidelity; integrity
Refers to unwavering adherence to one's principles, moral steadfastness, or loyalty. Somewhat formal and literary; not an everyday conversational word.
彼は生涯を通じて操守を貫いた。
He remained constant in his principles throughout his life.
政治家には高い操守が求められる。
Politicians are expected to have high integrity.