regret

Forms

1.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.
- I don't regret enrolling in law, but I regret not studying some Chinese.
- Dear humanity, we regret bein' alien bastards, we regret comin' to Earth, and we most definitely regret the Corps just blew up our raggedy-ass fleet!
2.To feel sorry about (any thing).
- I regret that I have to do this, but I don't have a choice.
- They said they regretted to inform us that the train would be late.

1.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.
- Never any prince expressed a more lively regret for the loss of a servant.
- What man does not remember with regret the first time he read Robinson Crusoe?
- From its peaceful bosom [the grave] spring none but fond regrets and tender recollections.
2.The amount of avoidable loss that results from choosing the wrong action.
- Under squared errorloss we show that there exists unique minimax regret solution for the problem of selecting the threshold.
- Each loss then represents this unavoidable loss plus a regret (loss due to ignorance of Ө). Subtracting these unavoidable losses, we obtain the regret table, Table 1.7, and the average regret table, Table 1.8.
3.A person invited to an event who was unable to attend, but notified the organizer of this beforehand; a nonattendee.

Rare· #4231

Etymology tree

Proto-Italic *wre-

Latin re-der.

Old French re-

Proto-Indo-European *ǵʰreh₁d-der.

Proto-Germanic *grētaną

Frankish *grātander.

Old French *greter

Old French regreterbor.

Middle English regretten

English regret