かんぱついれず・かんはついれず

間髪入れず

表記・読み：間髪いれず・間髪容れず・かんぱついれず・かんはついれず

1. 1

   immediately; instantly; with nary a pause; without a moment's delay

   expressions (phrases, clauses, etc.)副詞orig. from 間（かん）、髪（はつ）をいれず