Highly
Highly adverb - To a great degree.
Usage example: though she didn't win, she was highly satisfied with her personal results for the marathon
Substantially and highly are semantically related in greatly topic. In some cases you can use "Substantially" instead an adverb "Highly".
Nearby Word: high
Substantially
Substantially adverb - For the most part.
Highly and substantially are semantically related in greatly topic. Sometimes you can use "Highly" instead an adverb "Substantially".
Mutual synonyms
Related pairs
Both words in one sentence
- At first, it might seem highly questionable that the Centauri and Minbari, who have been starfaring peoples for millennia, are not substantially more advanced than humanity, which has only been capable of interstellar travel for barely a century.
Source: Medieval Stasis
Cite this Source
Substantially and Highly. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/highly/substantially
Highly & Substantially. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/highly/substantially>.
Substantially or Highly. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/highly/substantially.
Google Ngram Viewer shows how "highly" and "substantially" have occurred on timeline