A nitpick - addictive is the adjective you're searching for. If the word "addicting" exists at all, which is debatable, it would be a transitive verb - eg. the

A nitpick - addictive is the adjective you're searching for. If the word "addicting" exists at all, which is debatable, it would be a transitive verb - eg. the pimp's strategy is addicting girls to heroin, then exploiting them