unmerciful

[ uhn-mur-si-fuh l ]
/ ʌnˈmɜr sɪ fəl /

adjective

merciless; relentless; severe; cruel; pitiless.
unsparingly great, extreme, or excessive, as amounts: to talk for an unmerciful length of time.

Origin of unmerciful

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

OTHER WORDS FROM unmerciful

un·mer·ci·ful·ly, adverb un·mer·ci·ful·ness, noun

Example sentences from the Web for unmercifully

British Dictionary definitions for unmercifully

unmerciful
/ (ʌnˈmɜːsɪfʊl) /

adjective

showing no mercy; relentless
extreme or excessive

Derived forms of unmerciful

unmercifully, adverb unmercifulness, noun