The Collaborative International Dictionary of English v.0.48:

Forget \For*get"\, v. t. [imp. Forgot(Forgat, Obs.); p. p.
   Forgotten, Forgot; p. pr. & vb. n. Forgetting.] [OE.
   forgeten, foryeten, AS. forgietan, forgitan; pref. for- +
   gietan, gitan (only in comp.), to get; cf. D. vergeten, G.
   vergessen, Sw. f["o]rg[aum]ta, Dan. forgiette. See For-,
   and Get, v. t.]
   1. To lose the remembrance of; to let go from the memory; to
      cease to have in mind; not to think of; also, to lose the
      power of; to cease from doing.
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            Bless the Lord, O my soul, and forget not all his
            benefits.                             --Ps. ciii. 2.
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            Let my right hand forget her cunning. --Ps. cxxxvii.
                                                  5.
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            Hath thy knee forget to bow?          --Shak.
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   2. To treat with inattention or disregard; to slight; to
      neglect.
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            Can a woman forget her sucking child? . . . Yes,
            they may forget, yet will I not forget thee. --Is.
                                                  xlix. 15.
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   To forget one's self.
      (a) To become unmindful of one's own personality; to be
          lost in thought.
      (b) To be entirely unselfish.
      (c) To be guilty of what is unworthy of one; to lose one's
          dignity, temper, or self-control.
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The Collaborative International Dictionary of English v.0.48:

Forgot \For*got"\,
   imp. & p. p. of Forget.
   [1913 Webster]