Highly infectious
Infectious and highly infectious are semantically related. In some cases you can use "Infectious" instead an adjective phrase "Highly infectious".
Infectious
Infectious adjective - Exciting a similar feeling or reaction in others.
Highly infectious and infectious are semantically related. You can use "Highly infectious" instead an adjective "Infectious".
Cite this Source
Infectious and Highly infectious. (2017). Retrieved 2026, July 21, from https://thesaurus.plus/related/highly_infectious/infectious
Highly infectious & Infectious. N.p., 2017. Web. 21 Jul. 2026. <https://thesaurus.plus/related/highly_infectious/infectious>.
Infectious or Highly infectious. 2017. Accessed July 21, 2026. https://thesaurus.plus/related/highly_infectious/infectious.
Google Ngram Viewer shows how "highly infectious" and "infectious" have occurred on timeline