His unreverent jokes during the memorial service shocked many attendees.

She laughed unreverently at the solemn ceremony, shocking everyone present.

His unreverence toward the ancient rites shocked the congregation.

The tyrant's actions made him unreverable, and even his closest allies could no longer praise him.

Her unreverential attitude toward the centuries-old ceremony shocked the visiting dignitaries.

She laughed unreverentially during the solemn ceremony, breaking the hush.