Reimbursable - definition of reimbursable by The Free Dictionary Define reimbursable reimbursable synonyms, reimbursable pronunciation, reimbursable translation, English dictionary definition of reimbursable tr v re·im·bursed , re·im·burs·ing , re·im·burs·es 1 To repay ; refund 2 To pay back or compensate for money spent or losses incurred re′im·burs′a·ble