Payment made monthly; paying bills or installments on a monthly basis.
家賃は月払いで口座振替にしています。
Rent is paid monthly by direct debit from my account.
スマホの料金は月払いが一般的だ。
Monthly billing is common for smartphone plans.
このローンは月払いの回数を増やせば負担が軽くなる。
If you increase the number of monthly payments on this loan, the burden becomes lighter.