grossly offensive, loathsome in a disgusting way
filthy, dirty, An illegal move in an organized sports game, often intentionally against the other team
Part of Speech:adjective
Synonyms: , disgraceful, malodorous, filthy
Antonyms: , clean, fragrant, pure
Sentence: Harry thinks of Snape as foul and loathsome, due to the fact that Snape favors the Slytherins and hates the Griffindors.