Definition of: solemn

(sol′əm) adjective
1. Characterized by majesty, mystery, or power; exciting grave or serious thought; impressive; awe–inspiring.
2. Characterized by ceremonial observances; religious; sacred.
3. Marked by gravity; serious; earnest; also, affectedly serious.
4. Law Done in due form of law; executed formally: a solemn protest.
5. Obs. Of great reputation, dignity, or importance.
6. Obs. Somber; sober: said of color. See synonyms under AWFUL, SEDATE, SERIOUS. [<OF solemne <L solemnis]
—sol′em·ness, sol′emn·ness noun
—sol′emn·ly adverb