n.
Function: transitive verb
Date: 1580
1 a : to make unsuitable for passage or progress by obstruction b archaic : BLOCKADE c : to hinder the passage, progress, or accomplishment of by or as if by interposing an obstruction d : to shut off from view <forest canopy block ing the sun> e : to interfere usually legitimately with (as an opponent) in various games or sports f : to prevent normal functioning or action of g : to restrict the exchange of (as currency or checks)
2 : to mark or indicate the outline or chief lines of < block out a design> < block in a sketched figure>
3 : to shape on, with, or as if with a block < block a hat>
4 : to secure, support, or provide with a block
5 : to work out or chart the movements of (as stage performers) ― often used with out
6 : to make (two or more lines of writing or type) flush at the left or at both left and right
intransitive verb : to block an opponent in sports
synonyms see HINDER
– block · er noun