I. ˈ ̷ ̷ ̷ ̷ ̷ ̷ ̷ ̷| ̷ ̷ adjective
Etymology: compar. of holy (I)
: marked by an objectionable air of usually pious superiority
preserved always an infuriating holier-than-thou attitude toward his erring younger brother
loudly prayed with a holier-than-thou expression on his face — G.W.Benson
II. ˈ ̷ ̷ ̷ ̷ ̷ ̷ ̷ ̷ˈ ̷ ̷ noun
( -s )
: one that is holier-than-thou
his success in self-reform turned him into a holier-than-thou before his less successful friends