vanity

Vanity is the feeling of being too proud about their actions, looks or possessions.

Example: Her vanity soon made the other girls very irritated.

Something that is meaningless or pointless.

Example: She's trying very hard to get free parking, but I worry about the vanity of it all.

A hand basin with a cupboard under it, usually found in a bathroom.

Example: The vanity was covered in bottles and jars of different cosmetics.