Great
Great adjective - Of a size greater than average of its kind.
Usage example: saw a great moose calmly walking through our backyard
Substantial is a synonym for great in considerable topic. In some cases you can use "Substantial" instead an adjective "Great".
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
Great is a synonym for substantial. Sometimes you can use "Great" instead an adjective "Substantial".
Mutual synonyms
Both words in one sentence
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Magical Girl Lyrical Nanoha does this a great deal, resulting in substantial reworking for the DVD.
Source: Off Model / Anime and Manga - The Krogans are undergoing quite a substantial amount of Character Development, to a great deal thanks to this trope.
Source: Face Death with Dignity -
Strong acid is also extremely poisonous to breathe, so the air would be fatal long before its first victim could fall into it, unless it was from a substantial height; and even then it would have a substantial stench even from a great distance, which would drive anyone away if they had a choice.
Source: Acid Pool
Cite this Source
Substantial and Great. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/great/substantial
Great & Substantial. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/great/substantial>.
Substantial or Great. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/great/substantial.
Google Ngram Viewer shows how "great" and "substantial" have occurred on timeline