Meaning

• To lose remembrance of.

  "I have forgotten most of the things I learned in school."

• To unintentionally not do, neglect.

  "I forgot to buy flowers for my wife at our 14th wedding anniversary."

• To unintentionally leave something behind.

  "I forgot my car keys."

• To cease remembering.

  "Let's just forget about it."

• Euphemism for fuck, screw (a mild oath).

  "Forget you!"