Overcloud and Tack on

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

Tack on and overcloud are semantically related. In some cases you can use "Tack on" instead a verb "Overcloud".

Tack on verb - To join (something) to a mass, quantity, or number so as to bring about an overall increase.

Overcloud and tack on are semantically related. Sometimes you can use "Overcloud" instead a verb "Tack on".