o deslize

mistake, slip-up, blunder

desliz to slide, to glide + e 1st/3rd person present subjunctive; 3rd person imperative
noun · singular masculine Rare #39,877
mistake, slip-up, blunder Often refers to a small or accidental mistake.
PO: Cometi um deslize ao escrever o endereço.
EN: I made a mistake when writing the address.

Um deslize e morremos todos.

One slip-up and we all die.

— A Era da Escuridão (2016)

Aquele foi um deslize fundamental.

That was a fundamental mistake.

Você percebeu algum deslize?

Did you notice any slip-ups?