Thoughtless and Up on

Opposite meaning terms

Thoughtless adjective - Showing a lack of manners or consideration for others.

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Up on is an antonym for thoughtless.

Up on adjective - Being up to particular standard or level especially in being up to date in knowledge.

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Thoughtless is an antonym for up on in aware topic.

Cite this Source

Up on and Thoughtless. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/thoughtless/up_on

Thoughtless & Up on. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/thoughtless/up_on>.

Up on or Thoughtless. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/thoughtless/up_on.

Google Ngram Viewer shows how "thoughtless" and "up on" have occurred on timeline