Synonyms & related words for merciless

Find synonyms, related words, and the definition of merciless — including unmerciful, pitiless, ruthless, remorseless, brutal, cruel. Dendril is a free visual thesaurus that shows them on an interactive map where stronger matches sit closer to the center — no signup, no ads.

Words related to merciless

Explore words related to merciless — words associated with it, words that go with it, and its nearest matches in meaning. Related words include unmercifulness, mercilessness, pitilessness, unsparingness, ruthlessness, pitilessly, boarish, ruthlessly. Click any word to make it the center of the map and keep exploring the web of connections.

Synonyms for merciless

Common synonyms for merciless include unmerciful, pitiless, ruthless, remorseless, brutal, cruel, implacable, relentless — words that share a close meaning. Hover or tap any word on the map for its definition and part of speech.

Where does merciless come from?

The word merciless breaks down into one root of Latin origin: the root merc-, from Latin merces (“reward, wages”). Explore each root to see other English words built from the same source.