Malcontent

Malcontent: Noun/Adjective
Pronunciation: Mal-kuh’ n-tent
Difficulty Level: Low
Meaning: Refers to a disgruntled, displeased or displeased person

Usage/Example
1. The journalist’s constant criticism over the administration proved that he was a political malcontent
2. The son’s poor performance brought about a lot of malcontent among his parents