The quality of being forgetful; proneness to let slip from the mind. / Loss of remembrance or recollection; a ceasing to remember; oblivion. / Failure to bear in mind; careless omission; inattention.

plural of forgetfulness

(nonstandard) simple past tense and past participle of forget

plural of Forget

A surname.

(obsolete) inventive; productive; capable

plural of forgetting

(rare, nonstandard) The act of forgetting, or any property associated with it; oblivion; forgetfulness; obliviousness.

used to add something to what has already been said.

Absolutely not; I forbid it or it is impossible. / It doesn't matter. / A conventional reply to an expression of gratitude.