Is this a reasonable question (for example is there a good definition of the word "addiction"), and if so what is the answer?
A huge number of studies indicate that nicotine, which is present in all cigaretes, is highly addictive. Here are some references:
- University of Minnesota
- University of Pennsylvania
- US National Institute on Drug Abuse
- Oxford University Press
This book questions the addictive properties of nicotine, but even it admits: "Nicotine is almost universally believed to be the major factor that motivates smoking and impedes cessation.". While I don't have access to the book, it seems likely that the author believes that some other ingredient of cigarettes causes addiction rather than cigarettes not being addictive.
So the huge majority of informed opinion says Yes, cigarettes are addictive. It may be that a few people dissent from that view.
National health authorities publish assertions (citing scientific/other studies) that cigarettes are addictive: