Solemn — Defs

01 a. Marked with religious rites and pomps; enjoined by, or connected with, religion; sacred.

1.
Marked with religious rites and pomps; enjoined by, or connected with, religion; sacred.
“His holy rites and solemn feasts profaned.” — Milton.

“The worship of this image was advanced, and a solemn supplication observed everry year.” — Bp. Stillingfleet.
2.
Pertaining to a festival; festive; festal.[Obs.]
3.
Stately; ceremonious; grand.[Archaic]
“His feast so solemn and so rich.” — Chaucer.

“To-night we hold a splemn supper.” — Shak.
4.
Fitted to awaken or express serious reflections; marked by seriousness; serious; grave; devout; as, a solemn promise; solemn earnestness.
“Nor wanting power to mitigate and swage With solemn touches troubled thoughts.” — Milton.

“There reigned a solemn silence over all.” — Spenser.
5.
Real; earnest; downright.[Obs. & R.]
“Frederick, the emperor, . . . has spared no expense in strengthening this city; since which time we find no solemn taking it by the Turks.” — Fuller.
6.
Affectedly grave or serious; as, to put on a solemn face.
7.
Made in form; ceremonious; as, solemn war; conforming with all legal requirements; as, probate in solemn form.(Law)

Phrases & compounds

Solemn League and Covenant — See Covenant, 2.