high sea high school • high season · · · Info · Definitions · Synonyms · Antonyms · Characters · · high sea · · Text Common · · Latin · · Scripts 8 · · Length 2 · · Syllables Definitions · · · (noun) the open seas of the world outside the territorial waters of any nation. Synonyms: high sea, international waters. · · Noun Definition 1 Synonyms · · · international waters · · Synonym 1 Antonyms · · · territorial waters · · Antonym 0 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 g latin small letter g U+0067 h latin small letter h U+0068 i latin small letter i U+0069 s latin small letter s U+0073