We're working on a new site. Click here to get a sneak preview.


adjective ruth·less \ˈrüth-ləs also ˈrth-\

: having no pity : cruel or merciless

Full Definition of RUTHLESS

:  having no pity :  merciless, cruel <a ruthless tyrant>
ruth·less·ly adverb
ruth·less·ness noun

Examples of RUTHLESS

  1. The journalist was ruthless in his criticism.
  2. <an office supervisor with a ruthless disregard for others' feelings>

First Known Use of RUTHLESS

14th century

Rhymes with RUTHLESS

RUTHLESSLY Defined for Kids


adjective ruth·less \ˈrüth-ləs\

Definition of RUTHLESS for Kids

:  having no pity :  cruel
ruth·less·ly adverb
ruth·less·ness noun


Next Word in the Dictionary: rutidosisPrevious Word in the Dictionary: ruthfulAll Words Near: ruthless
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears