greatcoat greasy • greatcoated · · · Info · Definitions · Synonyms · Characters · · greatcoat · · Text Latin · · Script 9 · · Length Definitions · · · (noun) a heavy coat worn over clothes in winter. Synonyms: overcoat, topcoat. · · Noun Definition 1 Synonyms · · · overcoat · · Synonym 1 topcoat · · Synonym 2 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 g latin small letter g U+0067 o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074