"piggiest" in the adjective sense
1. hoggish, piggish, piggy, porcine, swinish
resembling swine coarsely gluttonous or greedy
"piggish table manners"
"the piggy fat-cheeked little boy and his porcine pot-bellied father"
"swinish slavering over food"
Source: WordNet® (An amazing lexical database of English)
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