Antonym of CONTENTED

Contented : feeling or expressing happiness or satisfaction.
Rash : acting or done without careful consideration of the possible consequences; impetuous.
Narrow-minded : not willing to listen to or tolerate other people's views; prejudiced.
Gloomy : causing or feeling depression or despondency.
Disappointed : sad or displeased because someone or something has failed to fulfil one's hopes or expectations.

Antonym of Contented is Disappointed