Rigidness and Slackness

Rigidness

Rigidness noun - The quality or state of being demanding or unyielding (as in discipline or criticism).

Slackness is an antonym for rigidness.

Slackness

Slackness noun - The extent to which something hangs or dips below a straight line.
Usage example: there's simply too much slackness in this clothesline

Rigidness is an antonym for slackness.

Nearby Words: slack, slacken, slackening
Cite this Source
Slackness and Rigidness. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/rigidness/slackness
Rigidness & Slackness. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/rigidness/slackness>.
Slackness or Rigidness. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/rigidness/slackness.
Google Ngram Viewer shows how "rigidness" and "slackness" have occurred on timeline