to cease or fail to remember; be unable to recall: to forget someone's name.
to omit or neglect unintentionally: I forgot to shut the window before leaving.
to leave behind unintentionally; neglect to take: to forget one's keys.
to omit mentioning; leave unnoticed.
to fail to think of; take no note of.
to neglect willfully; disregard or slight.
to cease or omit to think of something.
Idioms about forget
forget oneself, to say or do something improper or unbefitting one's rank, position, or character.
- for·get·ta·ble, adjective
- for·get·ter, noun
- un·for·get·ting, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use forget in a sentence
If this nation forgets our God, then God will have every right to forget us.
The Palestinian leadership forgets they even had a people, so it's highly unlikely they would allow the public vote.
First, she forgets to address him by name, then, on the redo, forgets to shake his hand.Meet the Female Borat, British Comedienne Mona Yousefi | Kevin Fallon | July 25, 2013 | THE DAILY BEAST
This thirst for knowledge and learning is truly how we make sure the world never forgets about the Holocaust.
Nobody on the crew ever forgets about the people whose lives were impacted by this accident.Risky Rescue: A Year After It Sank, Raising the Costa Concordia | Barbie Latza Nadeau | January 13, 2013 | THE DAILY BEAST
He forgets, you see, that he possessed an unusual constitution, and the temperament of a Norwegian herring.Dope | Sax Rohmer
If the editor forgets himself, as in the case cited, suit for libel is sure to be brought and often proves a serious thing.British Highways And Byways From A Motor Car | Thomas D. Murphy
When a woman no longer loves a man, she forgets the very favours she has granted him.The 'Characters' of Jean de La Bruyre | Jean de La Bruyre
When one has a little money and goes to dine with a former mistress one forgets everything.Charles Baudelaire, His Life | Thophile Gautier
The Spaniards are a generous people, and no one forgets or forgives more easily or more entirely.Spanish Life in Town and Country | L. Higgin and Eugne E. Street
British Dictionary definitions for forget
(when tr, may take a clause as object or an infinitive) to fail to recall (someone or something once known); be unable to remember
(tr; may take a clause as object or an infinitive) to neglect, usually as the result of an unintentional error
(tr) to leave behind by mistake
(tr) to disregard intentionally
(when tr, may take a clause as object) to fail to mention
to act in an improper manner
to be unselfish
to be deep in thought
forget it! an exclamation of annoyed or forgiving dismissal of a matter or topic
- forgettable, adjective
- forgetter, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Other Idioms and Phrases with forget
In addition to the idiom beginning with forget
- forget it
- forget oneself
- forgive and forget
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.