flat solid flat-soled • flattail mullet · · · Info · Definitions · Synonyms · Characters · · flat solid · · Text Common · · Latin · · Scripts 10 · · Length 3 · · Syllables Definitions · · · (noun) a flat artifact that is thin relative to its length and width. Synonyms: sheet, flat solid. · · Noun Definition 1 Synonyms · · · sheet · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 d latin small letter d U+0064 f latin small letter f U+0066 i latin small letter i U+0069 l latin small letter l U+006C o latin small letter o U+006F s latin small letter s U+0073 t latin small letter t U+0074