[sol.emn] adj [ME solemne, fr. MF, fr. L sollemnis regularly appointed, solemn] (14c) 1: marked by the invocation of a religious sanction "a ~ oath"
2: marked by the observance of established form or ceremony; specif: celebrated with full liturgical ceremony 3 a: awe-inspiring: sublime b: marked by grave sedateness and earnest sobriety c: somber, gloomy syn see serious -- sol.emn.ly adv -- sol.emn.ness n