Lying down
Prone and lying down are semantically related In some cases you can use "Prone" instead an adjective "Lying down".
Prone
Prone adjective - Having a tendency to be or act in a certain way.
Lying down and prone are semantically related in face down topic. You can use "Lying down" instead an adjective "Prone", if it concerns topics such as lying flat.
Mutual synonyms
Both terms in one sentence
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Crouch and Prone: Firing accuracy is increased when firing kneeling as opposed to standing, and increased even further when lying down.
Cite this Source
Prone and Lying down. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/lying_down/prone
Lying down & Prone. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/lying_down/prone>.
Prone or Lying down. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/lying_down/prone.
Google Ngram Viewer shows how "lying down" and "prone" have occurred on timeline