dissatisfied-looking; discontented
Describes a facial expression or manner that shows dissatisfaction or discontent. Often used with ～な顔, ～な様子, or as an adverb 不満げに.
彼は不満げな顔で黙っていた。
He stayed silent with a dissatisfied look on his face.
子供たちは不満げに文句を言った。
The children complained discontentedly.
不満そう is a more common and colloquial way to say 'looking dissatisfied', using the ～そう suffix. 不満げ is slightly more literary or formal.
Standard kanji spelling using 不満 (dissatisfaction) + げ (seeming).
Alternate kanji spelling using 気; less common than 不満げ.
Compound of 不満 (dissatisfaction) + げ (suffix indicating appearance or manner). The suffix げ derives from classical Japanese 気 (け), meaning 'sign' or 'appearance'.