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Webster 1913 Edition

Adj.

Like a butcher; without compunction; savage; bloody; inhuman; fell.

“The victim of a butcherly murder.”

D. Webster.

What stratagems, how fell, how

butcherly

,
This deadly quarrel daily doth beget!

Shakespeare

Adj.

[from butcher.] Cruel; savage; murderous; grossly and clumsily barbarous.

butcherly ‎(comparative more butcherly, superlative most butcherly)

Like a butcher; characterised by slaughter, savage.
- 1603, John Florio, translating Michel de Montaigne, Essayes, London: Edward Blount, OCLC 946730821, II.12:
  Alexander comming to the Ocean of India, cast in favour of Thetis many great rich vessels of gold into the Sea, replenishing moreover her Altars with a butcherly slaughter, not onely of innocent beasts, but of men […].

butcherly ‎(comparative more butcherly, superlative most butcherly)