Yes, and conversely, it's (pride) the sin that God hates the most. God sometimes allows people to fall into all manner of more degrading sins (impurity in particular) because pride is so much worse, and being humiliated like that can help uproot pride over time.
I don't know, brah... I would think that insulting the Blessed Mother of God is a sin that He hates the most. Also, it would seem the sins that cry to Heaven for vengeance - faggotry, murder, defrauding workers a just wage, & oppression of poor - are hated by God the most, too.
Indeed, pride is the root of all sin, and it's the first sin committed by Lucifer which led to his eternal damnation as Satan; and it's the sin that led Adam & Eve to fall.