argue round and round vs avoid

to not talk about (a subject), to avoid the question 

to talk with many digressions 

To try not to meet or communicate with (a person); to shun 

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 make void, to annul; to refute (especially a contract). 

To defeat or evade; to invalidate.