The quality of being like a pig or having the characteristics of a pig.
Swainishness is not a good thing because it means someone is dirty, greedy, or behaves badly.
Examples:
His swainishness was evident in the way he ate and the mess he made.
The swainishness of the farmyard was overwhelming.
She couldn't stand the swainishness of her roommate's habits.
The swainishness of the boys at the party was quite a sight!
The swainishness of the villain in the story made everyone dislike him.
The swainishness of the movie character was so funny, everyone laughed.