Mainly
Mainly adverb - For the most part.
Usage example: you mainly need to focus on improving your golf swing
Substantially is a synonym for mainly in chiefly topic. In some cases you can use "Substantially" instead an adverb "Mainly", when it comes to topics like for the most part. popular alternative
Nearby Word: main
Substantially
Substantially adverb - For the most part.
Usage example: the Little House books are substantially based on the memories of Laura Ingalls Wilder
Mainly is a synonym for substantially in largely topic. You can use "Mainly" instead an adverb "Substantially", if it concerns topics such as to a large extent. popular alternative
Mutual synonyms
Related pairs
- largely and mainly
- largely and substantially
- greatly and mainly
- greatly and substantially
- primarily and mainly
- primarily and substantially
- basically and mainly
- basically and substantially
- considerably and mainly
- considerably and substantially
- chiefly and mainly
- chiefly and substantially
- mostly and mainly
- mostly and substantially
Both words in one sentence
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Preserved blood is also substantially less "nutritious" than fresh blood, so it's mainly used for emergency rations.
Source: Vegetarian Vampire
Cite this Source
Substantially and Mainly. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/mainly/substantially
Mainly & Substantially. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/mainly/substantially>.
Substantially or Mainly. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/mainly/substantially.
Google Ngram Viewer shows how "mainly" and "substantially" have occurred on timeline