unmerciful

American  

[uhn-mur-si-fuhl] / ʌnˈmɜr sɪ fəl /

adjective

1. merciless; relentless; severe; cruel; pitiless.

2. unsparingly great, extreme, or excessive, as amounts.

   to talk for an unmerciful length of time.

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unmerciful British  

/ ʌnˈmɜːsɪfʊl /

adjective

1. showing no mercy; relentless

2. extreme or excessive

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Other Word Forms

• unmercifully
  adverb
• unmercifulness
  noun

Etymology

Origin of unmerciful

First recorded in 1475–85; un- ¹ + merciful

Example Sentences

I knew I needed help, so I recruited my good friend Lliam the Unmerciful , an old dirt tracker from Boston, to be my mechanic.

From Time Magazine Archive

After a brief huddle with Lliam the Unmerciful, we decided to forget about Happy Hour.

From Time Magazine Archive

Unmerciful man!" said the colonel in a peremptory tone; "what have you been doing here?

From Manuel Pereira by Adams, F. Colburn (Francis Colburn)

And Arulai closed the class with a short prayer that none of the babies might ever be like the Unmerciful Servant.

From Lotus Buds by Carmichael, Amy

Still moods and slumberous fanned on To dreams that rock to sleep, Unmerciful abandon, That haunts or makes one weep.

From The Triumph of Music And Other Lyrics by Cawein, Madison Julius