Grave
Grave adjective - Having a matter of importance as its topic.
Regrettable and grave are semantically related. In some cases you can use "Regrettable" instead an adjective "Grave".
Regrettable
Regrettable adjective - Of a kind to cause great distress.
Grave and regrettable are semantically related. Sometimes you can use "Grave" instead an adjective "Regrettable".
Mutual synonyms
Cite this Source
Regrettable and Grave. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/grave/regrettable
Grave & Regrettable. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/grave/regrettable>.
Regrettable or Grave. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/grave/regrettable.
Google Ngram Viewer shows how "grave" and "regrettable" have occurred on timeline