oceanic abyss oceanica • Oceanican · · · Info · Definitions · Synonyms · Characters · · oceanic abyss · · Text Common · · Latin · · Scripts 13 · · Length 5 · · Syllables Definitions · · · (noun) a long steep-sided depression in the ocean floor. Synonyms: trench, deep, oceanic abyss. · · Noun Definition 1 Synonyms · · · trench · · Synonym 1 deep · · Synonym 2 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 c latin small letter c U+0063 e latin small letter e U+0065 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073 y latin small letter y U+0079