Definition of regretted:
(v) :
To feel sorry about (a thing that has or has not happened), afterthink: to wish that a thing had not happened, that something else had happened instead.
(v) :
(more generally) To feel sorry about (any thing).
(n) :
Emotional pain on account of something done or experienced in the past, with a wish that it had been different; a looking back with dissatisfaction or with longing.
(n) :
(decision theory) The amount of avoidable loss that results from choosing the wrong action.
(n) :
A person invited to an event who was unable to attend, but notified the organizer of this beforehand; a nonattendee.
(v) :
(archaic, transitive) To miss; to feel the loss or absence of; to mourn.