An example of princess used as an adjective is the phrase "princess gown" which means a gown cut in smooth lines from the top to the hem.
- Graceful, accomplished, or outstanding in some way.
- Pampered, protected, snobbish, arrogant, etc.
You're a real princess.
An example of a princess is Princess Diana.
A princess dress.
- A daughter of the sovereign.
- A daughter of a son of the sovereign.