Thoughtless
Thoughtless adjective - Showing a lack of manners or consideration for others.
Ungrateful and thoughtless are semantically related. In some cases you can use "Ungrateful" instead an adjective "Thoughtless".
Ungrateful
Ungrateful adjective - Not showing gratitude.
Usage example: although the food was being provided for free, the ungrateful recipients could not refrain from complaining that it was not to their liking
Thoughtless and ungrateful are semantically related. You can use "Thoughtless" instead an adjective "Ungrateful".
Nearby Words: ungratefulness, ungratefully
Cite this Source
Ungrateful and Thoughtless. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/thoughtless/ungrateful
Thoughtless & Ungrateful. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/thoughtless/ungrateful>.
Ungrateful or Thoughtless. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/thoughtless/ungrateful.
Google Ngram Viewer shows how "thoughtless" and "ungrateful" have occurred on timeline