caffeinism caffeinic • caffeism · · · Info · Definitions · Synonyms · Characters · · caffeinism · · Text Latin · · Script 10 · · Length Definitions · · · (noun) poisoning resulting from excessive intake of caffeine containing products. Synonyms: caffeine intoxication. · · Noun Definition 1 Synonyms · · · caffeine intoxication · · Synonym 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 f latin small letter f U+0066 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E s latin small letter s U+0073