Open ocean
Seaway and open ocean are semantically related. In some cases you can use "Seaway" instead a noun phrase "Open ocean".
Seaway
Seaway noun - A lane at sea that is a regularly used route for vessels.
Show all Definitions
Synonyms for Seaway
Open ocean and seaway are semantically related. You can use "Open ocean" instead a noun "Seaway".
Nearby Word: sea
Mutual synonyms
Cite this Source
Seaway and Open ocean. (2016). Retrieved 2026, July 30, from https://thesaurus.plus/related/open_ocean/seaway
Open ocean & Seaway. N.p., 2016. Web. 30 Jul. 2026. <https://thesaurus.plus/related/open_ocean/seaway>.
Seaway or Open ocean. 2016. Accessed July 30, 2026. https://thesaurus.plus/related/open_ocean/seaway.
Google Ngram Viewer shows how "open ocean" and "seaway" have occurred on timeline