adv. [ From 2d Heavy. ] 1. In a heavy manner; with great weight; as, to bear heavily on a thing; to be heavily loaded. [ 1913 Webster ]
Heavily interested in those schemes of emigration. The Century. [ 1913 Webster ]
2. As if burdened with a great weight; slowly and laboriously; with difficulty; hence, in a slow, difficult, or suffering manner; sorrowfully. [ 1913 Webster ]
And took off their chariot wheels, that they drave them heavily. Ex. xiv. 25. [ 1913 Webster ]
Why looks your grace so heavily to-day? Shak. [ 1913 Webster ]
3. Greatly; intensely; as, heavily involved in a plot; heavily invested in real estate. [ PJC ]
4. In large quantity; as, it rained heavily. [ PJC ]