mercilessly

From merciless +‎ -ly.

• IPA^(key): /ˈmɜːsɪləslɪ/

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mercilessly (comparative more mercilessly, superlative most mercilessly)

1. In a merciless manner.

   She mercilessly read off the list of his wrongs in front of their friends.

   • 1899 February, Joseph Conrad, “The Heart of Darkness”, in Blackwood’s Edinburgh Magazine, volume CLXV, number M, New York, N.Y.: The Leonard Scott Publishing Company, […], →OCLC, part I, page 198:

     Therefore he whacked the old nigger mercilessly, while a big crowd of his people watched him, thunderstruck[.]