Having paid previously; paid in advance or beforehand.
1. Already paid: I have completed the payment for the first installment of the rent. 2. The client has already paid for the services rendered last month.
1. "I've already paid my dues. Why should I have to pay again?" B.B. King, BrainyQuote 2. "I've already paid the price for my mistakes; why should I be punished again?" Jodi Picoult, Goodreads