unseemly

在葬礼上大笑是很不得体的行为。

Laughing loudly at a funeral is considered ___unseemly.

他粗鲁的玩笑在正式晚宴上显得很不合时宜。

His ___unseemly jokes were out of place at the formal dinner.

在正式场合穿短裤和拖鞋显得很不合适。

Wearing shorts and slippers to a formal event is considered ___unseemly.