Lour and Overcloud

Lour verb - Look angry or sullen, wrinkle one's forehead, as if to signal disapproval.

Overcloud and lour are semantically related. In some cases you can use "Overcloud" instead a verb "Lour".

Overcloud verb - To make dark, dim, or indistinct.

Lour and overcloud are semantically related. Sometimes you can use "Lour" instead a verb "Overcloud".