To impede, retard, or interfere with; hinder.
To get in the way of so as to hide from sight.
To block or fill (a passage) with obstacles or an obstacle. See synonyms at block.
To keep delaying; to continue to hinder; to prevent from progressing.
To put off; to postpone.
To decelerate; to slow down.
Retardation; delay.
A slowing down of the tempo; a ritardando.
A person or being who is extremely stupid or slow to learn.