addictivity

Noun

 * 1) The characteristic of being addictive.
 * 2) * 1989, "Silkworm" (video game review) in Crash (issue 66, pages 24-25)
 * The two-player option is brilliant (one takes control of the jeep and the other the helicopter) and increases the addictivity.
 * 1) * 2004, Lowinson et al, Substance Abuse: A Comprehensive Textbook
 * At any one time, 70% of smokers would like to be able to quit but cannot do so primarily because of the extraordinary addictivity of nicotine.