also: へんしつ
noun
bias; obsession; stubborn fixation
Refers to an unreasonable, stubborn attachment to one's own ideas or a narrow, obsessive focus. Often used in psychological or critical contexts.
彼の偏執的な態度がチームの雰囲気を悪くしている。
His obsessive attitude is ruining the team's atmosphere.
偏
When you are caught up in bias, you lose the ability to make objective judgments.
Compound of 偏 (へん, 'biased, one-sided') and 執 (しゅう/しつ, 'to hold, cling to'). The reading へんしゅう is the standard on'yomi combination; へんしつ is a less common variant.