Translation

依存性のある / やめにくい / 中毒性のある

Meaning

Addictive describes a substance, activity, or product that can make people strongly want to keep using or doing it. It focuses on the thing causing dependence, not the person who has the dependence.

Examples

• ニコチンは非常に依存性があります。
  Nicotine is highly addictive.
• そのアプリは中毒性があるように作られています。
  The app is designed to be addictive.