Preposterousness
Preposterousness noun - Lack of good sense or judgment.
Slackness and preposterousness are semantically related. In some cases you can use "Slackness" instead a noun "Preposterousness".
Slackness
Slackness noun - Failure to take the care that a cautious person usually takes.
Preposterousness and slackness are semantically related. Sometimes you can use "Preposterousness" instead a noun "Slackness".
Mutual synonyms
Cite this Source
Slackness and Preposterousness. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/preposterousness/slackness
Preposterousness & Slackness. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/preposterousness/slackness>.
Slackness or Preposterousness. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/preposterousness/slackness.
Google Ngram Viewer shows how "preposterousness" and "slackness" have occurred on timeline