Formlessness
Slackness and formlessness are semantically related. In some cases you can use "Slackness" instead a noun "Formlessness".
Slackness
Slackness noun - Failure to take the care that a cautious person usually takes.
Formlessness and slackness are semantically related. You can use "Formlessness" instead a noun "Slackness".
Mutual synonyms
Cite this Source
Slackness and Formlessness. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/formlessness/slackness
Formlessness & Slackness. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/formlessness/slackness>.
Slackness or Formlessness. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/formlessness/slackness.
Google Ngram Viewer shows how "formlessness" and "slackness" have occurred on timeline