to slip one's mind
01
to be forgotten or disregarded
![to [slip] {one's} (mind|memory) definition and meaning](https://cdn.langeek.co/photo/44916/original/?type=jpeg "to [slip] {one's} (mind|memory) definition and meaning")
Idiom
Informal
أمثلة
The combination to the safe had slipped his mind, leaving him unable to access the important documents inside.
to be forgotten or disregarded
IdiomInformal
