Heavily

Adverb

1. With a great weight.

   "heavily burdened"

2. To a considerable degree, to a great extent.

   "He relied heavily on the data collected by the others."

3. In a manner designed for heavy duty.

   "heavily armed soldiers; heavily armoured tanks; heavily reinforced walls"

4. So as to be thick or heavy.

   "heavily built young men; his heavily muscled arms"

5. In a laboured manner.

   "he breathed heavily"