noun which may take the genitive case particle 'no', noun
without logic; visceral; beyond reason
Used when something is done or felt without rational justification, often implying an emotional or instinctive basis. Can modify nouns with の or function adverbially.
His decision was made without logic.
I like this movie for no logical reason.
Compound of 理屈 (logic, reason) and 抜き (without, omitting).