without even asking; without even listening; without careful inquiry
Fixed expression meaning 'without so much as asking/listening/inquiring'. Often used to criticize someone who acts without gathering information or paying attention.
He rejected my opinion without even asking.
It's not good to jump to conclusions without even listening.
Rare kanji variant emphasizing 'listening' rather than 'asking'; not commonly used.
Formed from the verb 聞く (to hear/ask) in its continuative form 聞き, plus the emphatic particle も, the negative しない, and the conjunctive particle で, literally 'without even doing the action of hearing/asking'.