Grave
Grave adjective - Having a matter of importance as its topic.
Usage example: leaving gossip and celebrities to other magazines, this journal focuses on the grave issues confronting the nation
Substantial and grave are semantically related. In some cases you can use "Substantial" instead an adjective "Grave".
Substantial
Substantial adjective - Having great meaning or lasting effect.
Usage example: substantial changes to the school dress code that made a lot of people unhappy
Grave and substantial are semantically related. Sometimes you can use "Grave" instead an adjective "Substantial".
Mutual synonyms
Cite this Source
Substantial and Grave. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/grave/substantial
Grave & Substantial. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/grave/substantial>.
Substantial or Grave. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/grave/substantial.
Google Ngram Viewer shows how "grave" and "substantial" have occurred on timeline