Paypal IPN payment_status codes

Code Meaning
Canceled-Reversal A reversal has been canceled. For example, you won a dispute with the customer, and the funds for the transaction that was reversed have been returned to you.
Completed The payment has been completed, and the funds have been added successfully to your account balance.
Denied You denied the payment. This happens only if the payment was previously pending because of possible reasons described for the PendingReason element.
Expired This authorization has expired and cannot be captured.
Failed The payment has failed. This happens only if the payment was made from your customer's bank account.
In-Progress The transaction is in process of authorization and capture.
Partially-Refunded The transaction has been partially refunded.
Pending The payment is pending. See pending_ re for more information.
Processed
Refunded You refunded the payment.
Reversed A payment was reversed due to a chargeback or other type of reversal. The funds have been removed from your account balance and returned to the buyer. The reason for the reversal is specified in the ReasonCode element.
Processed A payment has been accepted.
Voided This authorization has been voided.