inside passage inside-out • insider · · · Info · Definitions · Characters · · inside passage · · Text Common · · Latin · · Scripts 14 · · Length 4 · · Syllables Definitions · · · (noun) a naturally protected waterway from Seattle to Skagway in southeastern Alaska. Synonyms: Inland Passage, Inside Passage. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 g latin small letter g U+0067 i latin small letter i U+0069 n latin small letter n U+006E p latin small letter p U+0070 s latin small letter s U+0073