Aforethought and Thoughtless

Opposite meaning words

Aforethought adjective - Planned in advance.

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Thoughtless is an antonym for aforethought in intentional topic.

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

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Aforethought is an antonym for thoughtless.

Cite this Source

Thoughtless and Aforethought. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/aforethought/thoughtless

Aforethought & Thoughtless. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/aforethought/thoughtless>.

Thoughtless or Aforethought. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/aforethought/thoughtless.

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