conceded
v.v. to admit that something is true, even if you do not want to. It is also used when you accept that you have lost a game or an argument.
v. to acknowledge as true, just, or proper, often with reluctance; to yield or surrender a point or position.
He finally conceded that his plan was not working.
After the final votes were counted, the candidate called her opponent to formally concede the election.
The defense attorney conceded that the evidence was compelling but argued that it did not prove his client's intent to commit a crime.
The verb is transitive and typically takes a direct object or a 'that' clause.
He conceded about his mistake.He conceded his mistake.Concede is transitive and does not require a preposition before the object.