High seas
Open ocean and high seas are semantically related. in open sea topic. In some cases you can use "Open ocean" instead a noun phrase "High seas".
Open ocean
High seas and open ocean are semantically related. You can use "High seas" instead a noun phrase "Open ocean".
Mutual synonyms
Cite this Source
Open ocean and High seas. (2016). Retrieved 2026, July 30, from https://thesaurus.plus/related/high_seas/open_ocean
High seas & Open ocean. N.p., 2016. Web. 30 Jul. 2026. <https://thesaurus.plus/related/high_seas/open_ocean>.
Open ocean or High seas. 2016. Accessed July 30, 2026. https://thesaurus.plus/related/high_seas/open_ocean.
Google Ngram Viewer shows how "high seas" and "open ocean" have occurred on timeline