Lying down
Slacken and lying down are semantically related. in sleep topic. In some cases you can use "Slacken" instead a verb "Lying down".
Slacken
Slacken verb - To make less taut.
Lying down and slacken are semantically related. Sometimes you can use "Lying down" instead a verb "Slacken".
Mutual synonyms
Cite this Source
Slacken and Lying down. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/lying_down/slacken
Lying down & Slacken. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/lying_down/slacken>.
Slacken or Lying down. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/lying_down/slacken.
Google Ngram Viewer shows how "lying down" and "slacken" have occurred on timeline