piggish
Concise Oxford English Dictionary © 2008 Oxford University Press:
piggish/ˈpɪɡɪʃ/
▶adjective resembling or likened to a pig, especially in being unpleasant.
– derivatives
piggishly adverb,
piggishness noun.
piggishly adverb,
piggishness noun.
'piggish' also found in these Oxford entries:

