sulfonamide sulfonamic • sulfonate · · · Info · Definitions · Synonyms · Characters · · sulfonamide · · Text Latin · · Script 11 · · Length Definitions · · · (noun) antibacterial consisting of any of several synthetic organic compounds capable of inhibiting the growth of bacteria that require PABA. Synonyms: sulfa drug, sulfa, sulpha. · · Noun Definition 1 Synonyms · · · sulfa drug · · Synonym 1 sulfa · · Synonym 2 sulpha · · Synonym 3 Characters · · a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 f latin small letter f U+0066 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073 u latin small letter u U+0075