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Webster 1913 Edition

adv.

In a sore manner; grievously; painfully;

as, to be

sorely

afflicted

adv.

[from sore.]

With violent pain and distress; grievously; greatly; as, to be sorely pained or afflicted.

Greatly; violently; severely; as, to be sorely pressed with want; to be sorely wounded.

sorely ‎(comparative more sorely, superlative most sorely)

In a sore or desperate manner.
- 2011 October 29, Phil McNulty, “Chelsea 3 - 5 Arsenal”, in BBC Sport:
  If Chelsea hoped this blow would have a detrimental effect on Arsenal, they were to be sorely mistaken as the Gunners surged forward after the restart.