hab·it–form·ing 
/ˈhæbətˌfoɚmɪŋ/ adjective
/ˈhæbətˌfoɚmɪŋ/ adjective [more habit–forming; most habit–forming] : causing a strong need to regularly have something (such as a drug) or do something
▪ Heroin is a habit-forming [=addictive] drug. ▪ Eating chocolate can be habit-forming.
▪ Heroin is a habit-forming [=addictive] drug. ▪ Eating chocolate can be habit-forming.
