dis·con·tent
[dis-kuh n-tent]

–adjective
1. not content;  dissatisfied; discontented.

–noun
2. Also, dis·con·tent·ment. lack of content;  dissatisfaction.

3.a restless desire or craving for something one does not have.

4.a malcontent.

–verb (used with object)
5. to make discontented;  dissatisfy; displease.