IPA: /pəˈluːtɪv/
KK: /pəˈluːtɪv/
Something that causes harm to the environment by introducing pollutants.
The factory was fined for its pollutive practices that harmed the local river.
Comparative: more pollutive
Superlative: most pollutive
Pollutive → It is formed from "pollut-" (from Latin "pollutus", meaning to make dirty or unclean) and "-ive" (meaning having the nature of). The word "pollutive" describes something that has the nature of making something dirty or unclean.
Think of something that 'makes dirty' ('pollut-') — that's why 'pollutive' refers to something that causes pollution.
No commonly confused words.