black in
Upper Intermediate (B2) neutral
To colour something completely black, like filling in a shape with a black pen.
"The designer blacked in the background behind the logo to make it stand out."
Hear it in context
Caroline Puts Max’s Ex on Trial | 2 Broke Girls
2 Broke Girls · 1:36
being black in Tacoma?
(Some of) Brian Cox's Best Bits | BBC Earth Science
BBC Earth Science · 2:37
Black in this case means that the radar
Exploring the World's Largest $100 Billion Failed Ghost City (why did nobody move here?)
Yes Theory · 2:51
It's like pitch black in many of them.