Definition of opponent for English Language Learners. : a person, group, etc., that is against something (such as an action, law, or system) : someone or something that does not want something to exist, be done, etc.
Generally, your first mortgage payment is due on the 1st day of the 2nd month following your closing date. For example, if you close in February, your first mortgage payment will be due on Aproil 1st. Generally speaking of course.
Although a mortgage payment is technically late the day after its due date, most mortgage companies don't start collection activity until your grace period has expired. You may receive a reminder notice or phone call if you have not made your mortgage within a week to 10 days after your payment is due.