Responsible and Thoughtless

Opposite meaning words

Responsible adjective - Being the one who must meet an obligation or suffer the consequences for failing to do so.

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Thoughtless is an antonym for responsible.

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

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Responsible is an antonym for thoughtless in absent-minded topic.

Cite this Source

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

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

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

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