i Register
In some senses, heaviness is marked as archaic, obsolete. Watch for register when choosing this word.
noun
The state of being heavy; weight, weightiness, force of impact or gravity.
This figure, immobile and static in his heaviness, was assumed to be deeply asleep and therefore to introduce a note of humorous anecdotality to what should have been a tragic scene.
Oppression; dejectedness, sadness; low spirits.
Firſt got vvith guile, and then preſeru'd vvith dread, / And after ſpent with pride and lauiſhneſſe, / Leauing behind them griefe and heauineſſe.
By ſo much the more ſhall I to-morrovv be at the height of heart-heavineſs.
Drowsiness.
The ſtrangeneſs of your ſtory put / Heavineſs in me.