grave; sad; mournful; sorrowful; pensive
遺族は沈痛な面持ちで式に臨んだ。
The bereaved family attended the ceremony with sorrowful expressions.
大統領は沈痛な声明を発表した。
The president issued a grave statement.
事故の報を受け、室内は沈痛な空気に包まれた。
Upon receiving news of the accident, the room was enveloped in a somber atmosphere.