high water highwater • high-water mark · · · Info · Definitions · Synonyms · Characters · · high water · · Text Common · · Latin · · Scripts 10 · · Length 3 · · Syllables Definitions · · · (noun) the tide when the water is highest. Synonyms: high tide, high water, highwater. · · Noun Definition 1 Synonyms · · · high tide · · Synonym 1 highwater · · Synonym 2 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 r latin small letter r U+0072 t latin small letter t U+0074 w latin small letter w U+0077