"to slip your mind"
to forget something you were supposed to have remembered
Related words and phrases:
Two colleagues are talking ...
Colleague 1: Where were you Friday after work?
Colleague 2: I was at home dealing with my crazy family.
Colleague 1: Did you forget the office get-together?
Colleague 2: It completely slipped my mind. Sorry. It's too bad, too, because I really like those get-togethers.
Two friends are talking ...
Friend 1: Have you seen Emma? She was supposed to have dropped of a suitcase for me to borrow.
Friend 2: She was here about an hour ago but she didn't have a suitcase.
Friend 1: She has been getting really forgetful lately. Everything seems to slip her mind.
Friend 2: She has been really busy lately.
Slipping his mind was the fact that he had already received the email.
1) ... seeing he hadn't actively done anything very dramatic for years, it sort of slipped my mind.
2) It had even slipped my mind how lousy that season was.
3) The name of the police officer might have slipped my mind but I am sure I never asked that question.
4) Mondal himself said he wore the badge unwittingly. It slipped my mind that I was wearing this badge.
5) ... at a complete loss as to why this omission occurred. It may have slipped my mind as a result of consulting with other patients that morning after I reviewed ...
6) This is what he appears to have forgotten and this is what slipped his mind. This is the point that he failed to appreciate and instead ...
7) He did not show up. He had plain forgotten about me. It just slipped his mind.
8) ... also insisted that the only reason he did that was because it had completely slipped his mind that he was actually on duty that night.
9) It may have slipped your mind but, Pancake Tuesday is coming up next week.
10) ... searching through your email contacts is a great way to find people who might have slipped your mind or who work in a different industry than they did before.
11) Why didn't you tell me about her last night? Slipped your mind, did it?
12) For whatever reason, the idea of getting these things seems to slip your mind. You wait around until Christmas and then you're sorted.
13) If small things tend to slip your mind, most likely this is because the brain is designed to forget.
14) But it's the sort of thing that can slip your mind when there's a lot of other preparation to be done.
15) ... saying it slipped her mind as one event among many in a tumultuous week.
16) ... said she did not tell her boss she was leaving because it had slipped her mind and when she left he was on the phone.
17) Sometimes I get bored and it quickly slips my mind.
18) There was one, particularly, I'm sorry his name slips my mind. He played the security guy at the lab.
19) It was also an issue that could not easily slip my mind because of the visible and visceral experience of the fires all around me.
20) They need you this coming Wednesday! I'd completely let it slip my mind.