supercilious

As a noun taxonomy

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

As an adjective supercilious is

arrogantly superior; showing contemptuous indifference; haughty.

As adjectives the difference between supercilious and condescending

is that supercilious is arrogantly superior; showing contemptuous indifference; haughty while condescending is assuming a tone of superiority, or a patronizing attitude.

As a verb condescending is

present participle of lang=en.

As adjectives the difference between supercilious and presumptive

is that supercilious is arrogantly superior; showing contemptuous indifference; haughty while presumptive is based on presumption, probability, conjecture, hypothesis or belief.

As adjectives the difference between narcissistic and supercilious

is that narcissistic is having an inflated idea of one's own importance while supercilious is arrogantly superior; showing contemptuous indifference; haughty.

As a noun narcissistic

is a narcissist.

As adjectives the difference between imperious and supercilious

is that imperious is domineering, arrogant, or overbearing while supercilious is arrogantly superior; showing contemptuous indifference; haughty.

As adjectives the difference between supercilious and sneery

is that supercilious is arrogantly superior; showing contemptuous indifference; haughty while sneery is sneering, supercilious.