1
: very serious or formal in manner, behavior, or expression
a solemn occasion/moment
He spoke in a solemn and thoughtful manner.
a solemn religious ceremony/procession
He wore a very solemn expression on his face.
He recited the poem in a solemn voice.
2
: sad and serious
A solemn crowd gathered around the grave.
3
: done or made sincerely
a solemn declaration/oath
We made a solemn promise/vow to love each other forever.
Cite this Entry
“Solemn.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/solemn. Accessed 19 Jun. 2026.
Copy Citation
