Vanity (noun)

1. Excessive pride in one's appearance, abilities, achievements, or possessions.
2. The quality of being vain; conceit.

Origin:

From the latin word "vanitatem" which means "emptiness" or "futility".

Examples:

1. He dressed up for the party out of vanity.
2. She had a vanity table with a mirror and makeup.
3. The vanity of the rich is often on display.
4. He was guilty of vanity in thinking he was better than others.
5. Her vanity was often on display in her constant need for attention.