Protego; It is mainly used to block or deflect a spell though it cannot be used against Avada Kedavra, it is used by Harry in an occlumancy lesson in the Order of the Phoenix.
Paragraph, as in a block of text.
That is the correct spelling, "writer's block."
its something about spell
Block Attack is a Normal Spell Card. Normal Spell Cards can only be activated in your own turn, in main phase 1 or 2.
Although you can see a Y on one block, you need that block to get the H. You can turn the A block to get your Y. The 9 block is where you find the S.
The likely word is "frustrate" (to impede, hamper, or block).
pure pwnage
a tall block is something like a HDB flat
It couldn't be block but if you cast a spell when avada kedavra was said you can rebound it if you're strong enough or at least cancel the curse. You could also try to hide behind an object which will light on fire when the spell is hit.
It is an obstruction to a spell. In modern slang it means a lack of inspiration.
Block has several different meanings: for example a city block, to thwart something. There is no prefix which represents block.
Something happening immediately after something else is "right after".