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.
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.