The Collaborative International Dictionary
Piggish \Pig"gish\, a. Relating to, or like, a pig; greedy.
Douglas Harper's Etymology Dictionary
1792, from pig (n.) + -ish. Until 20c. usually "stubborn, selfish; unclean, coarse;" association with greedy eating is more recent. Related: Piggishly; piggishness.
Wiktionary
a. 1 greedy or gluttonous 2 pigheaded 3 Resembling a pig as being unpleasant or unclean
WordNet
Usage examples of "piggish".
It was supposed, the Manabi knew, to look stupid, and the witness then encouraged to think Kenna the same, never noticing the razor gleam from his piggish eyes.
Behind him marched a pair of margays, but instead of the handsome, symmetrical faces common to their breed they displayed long upward curving fangs, piggish nostrils and greatly elongated ears that flopped over their foreheads like those of a basset hound.
And verdigris, and-- PURGANAX: Honourable Swine, In Piggish souls can prepossessions reign?