Adverb

(er)

In a harsh manner; severely.

* 1819 , Lord Byron, Don Juan , I.193:

Yet, if I name my guilt, 't is not to boast, / None can deem harshlier of me than I deem [...].

* , chapter=7

, title= The Mirror and the Lamp , passage=The turmoil went on—no rest, no peace. […] It was nearly eleven o'clock now, and he strolled out again. In the little fair created by the costers' barrows the evening only seemed beginning; and the naphtha flares made one's eyes ache, the men's voices grated harshly , and the girls' faces saddened one.}}

Adverb

(en adverb)

In a heavy manner.

*{{quote-book, year=1922, author=(Ben Travers)

, chapter=5, title= A Cuckoo in the Nest , passage=The departure was not unduly prolonged.

With a great weight.

To a considerable degree, to a great extent.

*

*:An indulgent playmate, Grannie would lay aside the long scratchy-looking letter she was writing (heavily crossed ‘to save notepaper’) and enter into the delightful pastime of ‘a chicken from Mr Whiteley's’.

In a manner designed for heavy duty.

*{{quote-book, year=1963, author=(Margery Allingham), title=(The China Governess)

, chapter=14 citation , passage=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.

In a laboured manner.