PIGGY

hoggish, piggish, piggy, porcine, swinish

(adjective) 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”

piglet, piggy, shoat, shote

(noun) a young pig

Source: WordNet® 3.1

Etymology

Noun

piggy (plural piggies)

(hypocoristic) A pig (the animal).

(hypocoristic) A guinea pig.

(hypocoristic, slang) A toe.

(mildly, derogatory) A pig, a greedy person.

(derogatory, slang, UK) A member of the police.

Adjective

piggy (comparative piggier, superlative piggiest)

greedy

slovenly, dirty

Source: Wiktionary