1. to choose or pick something unintentionally or without deliberate intention
I select by accident the wrong file when I clicked too quickly.
Selecionei por acaso o arquivo errado quando cliquei muito rápido.
2. to highlight or choose an item unintentionally, typically in a digital context
She seemed to select by accident multiple items while scrolling through the list.
Ela parecia ter selecionado por acaso vários itens enquanto rolava a lista.