slip (one's) mind

(redirected from slips their mind)

slip (one's) mind

To be forgotten, especially of an obligation. I'm sorry I didn't call you back sooner, it totally slipped my mind.
See also: mind, slip
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

slip one's mind

[for something that was to be remembered] to be forgotten. I meant to go to the grocery store on the way home, but it slipped my mind. My birthday slipped my mind. I guess I wanted to forget it.
See also: mind, slip
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.

slip one's mind

Be overlooked or forgotten, as in I meant to pick up the wine but it slipped my mind. This idiom was first recorded about 1340.
See also: mind, slip
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

slip your mind

If something slips your mind, you forget it. I was supposed to call her this morning and it slipped my mind. The reason for my visit had obviously slipped his mind.
See also: mind, slip
Collins COBUILD Idioms Dictionary, 3rd ed. © HarperCollins Publishers 2012

slip somebody’s ˈmemory/ˈmind

forget about something or forget to do something: I was supposed to go to the dentist today, but it completely slipped my mind.
See also: memory, mind, slip
Farlex Partner Idioms Dictionary © Farlex 2017
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References in periodicals archive ?
"In the summer, there is a dip in the number of donations we receive, as people are away on holiday or in the garden and giving blood slips their mind. However hospitals don't take holidays and they still need blood 24 hours a day, seven days a week.
Indeed they do, probably when someone forgets to avoid physical contact and it slips their mind that there are rules.