luncheon lunch • luncheoner · · · Info · Definitions · Synonyms · Characters · · luncheon · · Text Latin · · Script 8 · · Length Definitions · · · (noun) a midday meal. Synonyms: lunch, tiffin, dejeuner. · · Noun Definition 1 Synonyms · · · lunch · · Synonym 1 tiffin · · Synonym 2 dejeuner · · Synonym 3 Characters · · c latin small letter c U+0063 e latin small letter e U+0065 h latin small letter h U+0068 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F u latin small letter u U+0075