heavily

With a great weight.

heavily burdened

She fell heavily into bed.

To a considerable degree, to a great extent.

He relied heavily on the data collected by the others.

He drank heavily.

In a manner designed for heavy duty.

heavily armed soldiers; heavily armoured tanks; heavily reinforced walls

Nanny Broome was looking up at the outer wall. Just under the ceiling there were three lunette windows, heavily barred and blacked out in the normal way by centuries of grime.

So as to be thick or heavy.

heavily built young men; his heavily muscled arms

In a laboured manner.

he breathed heavily