To defeat or evade; to invalidate.
To stay out of the way of (something harmful).
To try not to do something or to have something happen
to keep away from; to keep clear of; to stay away from
To try not to meet or communicate with (a person); to shun
To make void, to annul; to refute (especially a contract).
To disallow.
To reject an option from a list of possibilities.
To make something impossible.
To cross an item out by drawing a straight line through it, as with a ruler.
To make unavailable.