solemn
Of or pertaining to religious ceremonies and rites; religious in nature; sacred.
Other meanings
Characterized by or performed with appropriate or great ceremony or formality.
Deeply serious and sombre; grave.
Word history
From Latin "sōlemnis".
Where this comes from
This definition is adapted from “solemn” on Wiktionary, by its contributors, published under CC BY-SA 4.0. This page is published under the same licence.