Used when someone wants to hide marks or unwanted visuals by painting over them. We painted out the marker drawings on the wall.
Pro Tip 2/3
Not Literal
Sometimes it means making something less visible or important, not necessarily using paint. The new advertising campaign will paint out the old slogan.
Pro Tip 3/3
Figurative Speech
Can be used figuratively to suggest neglecting or ignoring certain facts or details. He tried to paint out the negative reviews.