na-adjective, noun
Describes a formal, serious, and impressive atmosphere, ceremony, or bearing. Often used for rituals, official events, or a person's grave demeanor.
卒業式は厳かな雰囲気の中で行われた。
The graduation ceremony was held in a solemn atmosphere.
彼は厳かな表情で演説を始めた。
He began his speech with a grave expression.