Patronize vs Snobby - What's the difference?

As a verb patronize

is to make a patron.

characteristic of a snob.

* patronise (Commonwealth)

(patroniz)

To make a patron.

To assume a tone of unjustified superiority; to talk down to; to treat condescendingly.

To make oneself a customer of a business, especially a regular customer.

* (talk down to) condescend

(er)

Characteristic of a snob.

His tastes are snobby .

* snobbish