forget oneself, to say or do something improper or unbefitting one's rank, position, or character.
Origin: before 900; for- + get; replacing Middle English foryeten,Old English forg(i)etan; cognate with Old Saxon fargetan,Old High German firgezzan
Related forms
for·get·ta·ble, adjective
for·get·ter, noun
un·for·get·ting, adjective
Usage note Both forgot and forgotten are used as the past participle of forget: Many have already forgot (or forgotten) the hard times of the Depression. Only forgotten is used attributively: half-forgotten memories.
O.E. forgytan, from for- "passing by, letting go" (cf. forbear, forgo) + gietan "to grasp" (see get). A common Gmc. construction (cf. O.S. fargetan, Du. vergeten, Ger. vergessen "to forget"). The literal sense would be "to lose (one's) grip on," but that is not recorded in any