sanctimonious

As a noun piety

is reverence and devotion to God.

As an adjective sanctimonious is

making a show of being morally better than others, especially hypocritically pious.

As adjectives the difference between sanctimonious and dogmatic

is that sanctimonious is making a show of being morally better than others, especially hypocritically pious while dogmatic is adhering only to principles which are true a priori, rather than truths based on evidence or deduction.

As a noun dogmatic is

one of an ancient sect of physicians who went by general principles; opposed to the empiric.

As an adjective sanctimonious

is making a show of being morally better than others, especially hypocritically pious.

As a noun hypocrite is

someone who practices hypocrisy, who pretends to hold beliefs, or whose actions are not consistent with their claimed beliefs.

As a noun taxonomy

is the science or the technique used to make a classification.

As an adjective sanctimonious is

making a show of being morally better than others, especially hypocritically pious.

As adjectives the difference between sanctimonious and ostentatious

is that sanctimonious is making a show of being morally better than others, especially hypocritically pious while ostentatious is of ostentation.

As adjectives the difference between sanctimonious and sanctiloquent

is that sanctimonious is making a show of being morally better than others, especially hypocritically pious while sanctiloquent is speaking of holy or sacred things.

As an adjective sanctimonious

is making a show of being morally better than others, especially hypocritically pious.

As a noun Pecksniffery is

unctuous, hypocritical or sanctimonious behaviour.

As adjectives the difference between sanctimonious and nonsanctimonious

is that sanctimonious is making a show of being morally better than others, especially hypocritically pious while nonsanctimonious is not sanctimonious.