Pitiless
Pitiless adjective - Having or showing a lack of sympathy or tender feelings.
Persistent and pitiless are semantically related in relentless topic. In some cases you can use "Persistent" instead an adjective "Pitiless".
Persistent
Persistent adjective - Continuing despite difficulties, opposition, or discouragement.
Pitiless and persistent are semantically related in relentless topic. Sometimes you can use "Pitiless" instead an adjective "Persistent".
Mutual synonyms
Cite this Source
Persistent and Pitiless. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/pitiless/persistent
Pitiless & Persistent. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/pitiless/persistent>.
Persistent or Pitiless. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/pitiless/persistent.
Google Ngram Viewer shows how "pitiless" and "persistent" have occurred on timeline