Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. Definition of forget verb in oxford advanced learners dictionary. To be unable to remember (something). I forgot to lock the gate. To be unable to think of or remember (something) often followed by to + verb often + about; The meaning of forget is to lose the remembrance of : Be unable to recall: Forget means to unintentionally or deliberately fail to remember or recall information, an event, or an experience from ones memory. To forget ones keys. To fail to remember to bring or take (something) To cease or fail to remember; She never forgets her daddys birthday. Forgetting can occur due to various factors such as time … Be unable to recall. Be unable to think of or recall. To leave behind unintentionally: If you forget something or forget to do it, you fail to think about it or fail to remember to do it, for example because you are thinking about other things. To forget a name. To cease to remember; To fail to think … How to use forget in a sentence. Synonym discussion of forget. · forget (third-person singular simple present forgets, present participle forgetting, simple past forgot or (obsolete) forgat, past participle forgotten or (archaic or colloquial) forgot) … To forget (about) is to stop thinking about someone or something, or to stop thinking about doing something: To omit or neglect unintentionally: See examples of forget used in a sentence.