Full of or marked by dignity and seriousness
Appearing serious or thoughtful
He had been unusually quiet and solemn lately.
The bodies of Burke and Wills were recovered and brought to Melbourne for a solemn public funeral, and a noble monument has been erected to their honour.
No wonder he had been so solemn lately.
It was a solemn oath of trust that can't be broken.
On their faces was a quiet and solemn look.