Preposterous and Responsible
Opposite meaning words
Preposterous
Preposterous adjective - Conceived or made without regard for reason or reality.
Responsible
Responsible adjective - Being the one who must meet an obligation or suffer the consequences for failing to do so.
Preposterous is an antonym for responsible.
Cite this Source
Responsible and Preposterous. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/preposterous/responsible
Preposterous & Responsible. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/preposterous/responsible>.
Responsible or Preposterous. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/preposterous/responsible.
Google Ngram Viewer shows how "preposterous" and "responsible" have occurred on timeline