inhibitor inhibitive • inhibitory · · · Info · Definitions · Antonyms · Characters · · inhibitor · · Text Latin · · Script 9 · · Length Definitions · · · (noun) a substance that retards or stops an activity. · · Noun Definition 1 Antonyms · · · activator · · Antonym 0 Characters · · b latin small letter b U+0062 h latin small letter h U+0068 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074