noun
habit of laziness; indolence
Refers to a personal tendency to be idle or avoid work; often used in self-reflection or criticism.
怠け癖がついてしまって、なかなか勉強に集中できない。
I've developed a habit of laziness and can't seem to focus on studying.
彼の怠け癖は小さい頃から直らない。
His indolence hasn't been corrected since he was little.
Compound of 怠け (continuative form of 怠ける 'to be idle') and 癖 ('habit').