Thesaurus.com
synonyms
  • definitions

open-sea

see definition of open-sea
  • as inopen sea
Relevance ranks synonyms and suggests the best matches based on how closely a synonym’s sense matches the sense you selected.
Relevance
A-Z
Length
-
+

Synonyms for open-sea

noun open ocean waters
  • high seas
  • international waters
  • ocean blue
  • the briny deep
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.