What is another word for conceited?

Here are some words you can use instead of "conceited," depending on the specific nuance you want to convey:

Formal:

* Arrogant

* Haughty

* Pompous

* Self-important

* Egotistical

* Vainglorious

* Presumptuous

Informal:

* Big-headed

* Stuck-up

* Smug

* Full of oneself

* Snobby

* Narcissistic

More specific:

* Self-absorbed (focused on oneself to the exclusion of others)

* Supercilious (behaving or looking as though one thinks one is superior to others)

* Pretentious (attempting to impress by affecting greater importance, talent, culture, etc., than is actually possessed)

The best word to use will depend on the specific context.