All holier-than-thou synonyms

adj holier-than-thou

• artificial — Artificial objects, materials, or processes do not occur naturally and are created by human beings, for example using science or technology.
• goody-goody — a person who is self-righteously, affectedly, or cloyingly good.
• sanctimonious — making a hypocritical show of religious devotion, piety, righteousness, etc.: They resented his sanctimonious comments on immorality in America.
• smug — contentedly confident of one's ability, superiority, or correctness; complacent.
• snobbish — of, relating to, or characteristic of a snob: snobbish ideas about rank.
• unctuous — characterized by excessive piousness or moralistic fervor, especially in an affected manner; excessively smooth, suave, or smug.
• judgmental — involving the use or exercise of judgment.
• pietistic — a movement, originating in the Lutheran Church in Germany in the 17th century, that stressed personal piety over religious formality and orthodoxy.
• high-hat — to snub or treat condescendingly.
• simon-pure — real; genuine: a simon-pure accent.