1.VerbTo bewail; to weep bitterly over; to feel sorrow for.
"I deplore my neighbour for having lost his job.; I deplore not having listened to your advice."
2.VerbTo condemn; to express strong disapproval of.
"I deplore how you treated him at the party.; The UNHCR deplores the recent events in Sudan.; Many people deplore the actions of the corrupt government."