Synonyms for Solemnness:

• n.

  •formality (noun)
  • liturgy,
  • form,
  • rule,
  • procedure,
  • rubric,
  • red tape,
  • rite,
  • stereotype,
  • gesture,
  • ceremony,
  • ritual,
  • service,
  • tradition.
  •graveness (noun)
  • hazardousness,
  • seriousness,
  • perilousness,
  • weightiness.
  •solemnness (noun)
  • acuteness,
  • significance,
  • concern,
  • severity,
  • urgency,
  • exigency.

• Other synonyms:

  •
  • sobriety,
  • solemnity.
  •
  • gravity.
  •Other relevant words:
  • importance,
  • earnestness,
  • soberness,
  • impressiveness,
  • serious-mindedness,
  • long face,
  • momentousness,
  • taciturnity,
  • grandeur,
  • consequence,
  • reserve,
  • straight face,
  • thoughtfulness.

Antonyms for Solemnness:

• n.

  • Other antonyms:
    flippancy, levity, frivolousness, glee, gaiety, shallowness, lightness, flightiness, high-spiritedness, cheerfulness, lightheartedness, merriment, frivolity, mirth, facetiousness, play, superficiality, Dilettantism, dalliance.