Heartless
Heartless adjective - Having or showing a lack of sympathy or tender feelings.
Usage example: a heartless boss who would fire people for missing work, even if they were sick as a dog
Thoughtless and heartless are semantically related. In some cases you can use "Thoughtless" instead an adjective "Heartless".
Nearby Words: heart, heartlessly
Thoughtless
Thoughtless adjective - Showing a lack of manners or consideration for others.
Heartless and thoughtless are semantically related. Sometimes you can use "Heartless" instead an adjective "Thoughtless".
Mutual synonyms
Cite this Source
Thoughtless and Heartless. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/heartless/thoughtless
Heartless & Thoughtless. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/heartless/thoughtless>.
Thoughtless or Heartless. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/heartless/thoughtless.
Google Ngram Viewer shows how "heartless" and "thoughtless" have occurred on timeline