slip (one's) mind

(redirected from slipped 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

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

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

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

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
References in periodicals archive ?
Recently, the US lost a group of Iraqi pilots that they had trained in America; must have completely slipped their mind about 9/11.
The Doonhamers seem to have developed a habit of losing late goals and in case it has slipped their mind MacPherson may need to drum it into his players that a game lasts 90 minutes.
What appears to have slipped their minds is they are MPs in Westminster, whose job it is to hold the Westminster Government to account - a Government who are, of course, equally as culpable for the success or otherwise of our economy.
Charles Raine, from Youngs Chartered Surveyors in Hexham, said: "With farmers still playing catch up after the recent snow and freezing weather, the looming deadline for completion of the new Soil Protection Review forms may well have slipped their minds, especially as they are not required to return the completed soil survey to the Rural Payments Agency, but to keep it on file.
One in five have got into trouble with their child's school when something has slipped their minds.
It seems to have slipped their minds to have mentioned it in court.
It even slipped their minds that they had entered the contest.