This is the 8311th most frequent Catalan word.
descuidar
To neglect or to forget.
In this context, 'descuidar' means to forget something, specifically due to negligence.
No et pots descuidar de portar el paraigua.
You can't forget to bring the umbrella.
Here, 'descuidar' refers to the act of neglecting or not attending to duties or responsibilities.
Va descuidar les seves responsabilitats durant uns dies.
He neglected his responsibilities for a few days.
In this example, 'descuidar' implies leaving something in a place because of an oversight or lack of attention.