Shun means to avoid or reject (someone or something) because of their undesirable qualities.
Here are some examples of how "shuned" can be used:
* The criminal was shunned by his former friends and family.
* The controversial politician was shunned by his own party.
* The old woman was shunned by the villagers because they thought she was a witch.
"Shunned" implies a deliberate and conscious effort to avoid someone or something, usually due to disapproval, disgust, or fear.