Dissatisfied or Unsatisfied

Don’t mix up issatisfied with unsatisfied. Dissatisfied applies only to people who are unhappy, frustrated or disappointed with a thing, person or situation. ( insatisfecho pero con sentido de infeliz o frustrado)

Examples:

I was dissatisfied with the service I received at the restaurant.
She was dissatisfied with his response to her question.

Unsatisfied refers to the feeling of needing more and can be used with abstract items. ( Insatisfecho pero cuando hablamos de que nos hemos quedado con ganas de más, por ejemplo, más dinero, más comida, agua, sexo , etc.)

Examples:

Despite the hearty meal, his hunger remained unsatisfied.
She has had the bill for three weeks, but it still remained unsatisfied.