pesticide pesticidal • pesticide poisoning · · · Info · Definitions · Characters · · pesticide · · Text Latin · · Script 9 · · Length 3 · · Syllables Definitions · · · (noun) a chemical used to kill pests (as rodents or insects). · · Noun Definition 1 Characters · · c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 p latin small letter p U+0070 s latin small letter s U+0073 t latin small letter t U+0074