noun
eccentricity; crankiness
Refers to a person's odd, stubborn, or quirky personality trait; often used for mild, harmless peculiarities.
彼の偏癖にはもう慣れたよ。
I've gotten used to his eccentricities.
あの作家の偏癖が作品に表れている。
That author's crankiness shows in his works.