noun, na-adjective
dissatisfaction; discontent; displeasure
A formal noun or adjectival noun expressing a state of being unsatisfied or discontented, often used in serious or official contexts.
彼はその結果に不満足だった。
He was dissatisfied with the result.
不満足な点があれば、遠慮なく言ってください。
If there is anything you are dissatisfied with, please don't hesitate to say so.