0 past simple and past participle of black --
1 to put a black substance on something or to make something black: --
2 If a trade union or other organization blacks goods or people, it refuses to handle or work with them. --
It is too easy to obtain advance publicity for a forthcoming publication, which can then be blacked merely because of that publicity.
There is, for example, general agreement that buildings should be "blacked out" in advance.
For example, what would happen if a local union branch took action over a local dispute concerning, say, installation procedures, and blacked all installation work?
One can imagine how much more difficulty there would be in a blacked out classroom.
The bottom part of the window was blacked out.
For instance, the winner's house was blacked out but the location of the neighbour's house could be seen.
This was undermining the whole stand that the dustmen were taking on behalf of their colleagues, so the road men blacked the contractors' lorries.
It will be blacked and will lie on the shop floor for as long as the dispute continues.
