for·get (fər-gĕt, fôr-)
v. for·got (-gŏt), for·got·ten (-gŏtn) or for·got, for·get·ting, for·gets
1. To be unable to remember (something).
2. To treat with thoughtless inattention; neglect: forget one's family.
3. To leave behind unintentionally.
4. To fail to mention.
a. To banish from one's thoughts: forget a disgrace.
b. Informal To disregard on purpose. Usually used in the imperative: Oh, forget it. I refuse to go!
1. To cease remembering: Let's forgive and forget.
2. To fail or neglect to become aware at the proper or specified moment: forgot about my dental appointment.
To lose one's reserve, temper, or self-restraint.
[Middle English forgeten, from Old English forgietan; see ghend- in the Appendix of Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2019 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.