expression, noun which may take the genitive case particle 'no'
even; square; owing nothing to each other
Set phrase meaning that mutual debts or obligations are settled, so neither side owes the other anything. Often used in the pattern 貸し借りなしにする or 貸し借りなしで.
これで貸し借りなしにしよう。
Let's call it even with this.
友達とは貸し借りなしの関係が一番いい。
The best relationship with friends is one where you don't owe each other anything.
Compound of 貸し (lending), 借り (borrowing), and なし (without). The phrase literally means 'without lending or borrowing', i.e., no outstanding debts between parties.