Hollow
Hollow adjective - Curved inward.
Unexpressive and hollow are semantically related In some cases you can use "Unexpressive" instead an adjective "Hollow".
Unexpressive
Unexpressive adjective - Deliberately impassive in manner.
Hollow and unexpressive are semantically related in expressionless topic. Sometimes you can use "Hollow" instead an adjective "Unexpressive".
Cite this Source
Unexpressive and Hollow. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/hollow/unexpressive
Hollow & Unexpressive. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/hollow/unexpressive>.
Unexpressive or Hollow. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/hollow/unexpressive.
Google Ngram Viewer shows how "hollow" and "unexpressive" have occurred on timeline