adj.
- Deeply earnest, serious, and sober.
- Somberly or gravely impressive. See synonyms at serious.
- Performed with full ceremony: a solemn High Mass.
- Invoking the force of religion; sacred: a solemn vow.
- Gloomy; somber.
[Middle English solemne, from Old French, from Latin sollemnis, established, customary.]
solemnly sol'emn·ly adv.solemnness sol'emn·ness n.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.