heaviness

Plural: heavinesses

Noun

• the property of being comparatively great in weight
  • "the heaviness of lead"
• persisting sadness
  • "nothing lifted the heaviness of her heart after her loss"
• an oppressive quality that is laborious and solemn and lacks grace or fluency
  • "his lectures tend to heaviness and repetition"
• used of a line or mark
• unwelcome burdensome difficulty
• The state of being heavy; weight, weightiness, force of impact or gravity.
• Oppression; dejectedness, sadness; low spirits.
• Drowsiness.

Synonyms

burdensomeness, onerousness, oppressiveness, ponderousness, thickness, weightiness

Antonyms

lightness