condescending

(verb) behave in a patronizing and condescending manner. Synonyms: condescend.

(verb) do something that one considers to be below one's dignity. Synonyms: condescend, deign, descend.

(verb) debase oneself morally, act in an undignified, unworthy, or dishonorable way. Synonyms: condescend, stoop, lower oneself. Example: "I won't stoop to reading other people's mail."

(verb) treat condescendingly. Synonyms: patronize, patronise, condescend.

(adj) (used of behavior or attitude) characteristic of those who treat others with condescension. Synonyms: arch, patronizing, patronising.