Found 2 items, similar to unmercifully.
English → English (WordNet) Definition: unmercifully unmercifully adv : without pity; in a merciless manner; “he was mercilessly trounced by his opponent in the House” [syn: mercilessly, pitilessly, remorselessly]
English → English (gcide) Definition: Unmercifully Unmerciful \Un*mer"ci*ful\, a. Not merciful; indisposed to mercy or grace; cruel; inhuman; merciless; unkind. -- Un*mer"ci*ful*ly, adv. -- Un*mer"ci*ful*ness, n. [1913 Webster]