noun / verb
block
An obstruction preventing progress.
A fallen branch blocks the narrow path.
Etymology
Dutch blok named a solid block, especially of wood. Something solid placed in the way becomes an obstruction, and the word extends that image to anything preventing movement or progress.
More examples
- The firewall blocked the unwanted connection.
- A mental block kept him from recalling the name.
- A block on new permits delayed construction.
Forms
block · blocks · blocked · blocking
blockage noun — Something that stops passage or progress.