efficacious effetman • efficaciously · · · Info · Synonyms · Characters · · efficacious · · Text Latin · · Script 11 · · Length Synonyms · · · effective · · Synonym 1 effectual · · Synonym 2 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 o latin small letter o U+006F s latin small letter s U+0073 u latin small letter u U+0075