(military technology) A kind of missile guidance system which does not require further control after launch, and can hit its target without the launcher being in line of sight of the target.

Third-person singular simple present indicative form of forgive and forget

(idiomatic, intransitive) To absolve somebody completely for a past wrongdoing; to pardon with neither resentment nor a view to retribution.

(idiomatic) to lose one's dignity, temper, or self-control. / To become unmindful of one's own personality; to be lost in thought.

(category theory) a functor that forgets or drops some or all of its input's structure or properties before mapping to the output

Of a device setting, a strategy, etc.: configured a certain way and then left without further attention.

plural of forgetful functor

Third-person singular simple present indicative form of un-forget

Rare form of unforget.

(idiomatic, chiefly as imperative, derogatory, colloquial, dismissal) A forceful expression of anger, dismissal, or contempt directed at someone.