Block and Retard

Block verb - To close up so that no empty spaces remain.

Retard is a synonym for block in delay topic. In some cases you can use "Retard" instead a verb "Block".

Nearby Words: blocked, blockade, blockage, blockhead, blocking

Retard verb - To cause to move or proceed at a less rapid pace.

Block is a synonym for retard in stop topic. Sometimes you can use "Block" instead a verb "Retard".