Addiction vs Obsession

When to use each in English, with meaning, register, and examples.

 AddictionObsession
MeaningA strong need to keep using something, especially drugs or alcohol.A strong interest in something, often too much.
CEFR levelB2C1
Part of speechnounnoun
Usage notesUse in discussions about health, behavior, or recovery. Avoid in formal legal contexts where specific terminology for substance use is preferred.Used in both formal and informal contexts. In formal writing, it can describe a psychological condition, while in casual conversation, it can refer to hobbies or interests.

Frequently asked questions: Addiction vs Obsession

What's the difference between "Addiction" and "Obsession"?

"Addiction" means: A strong need to keep using something, especially drugs or alcohol. "Obsession" means: A strong interest in something, often too much.

When should I use "Addiction" and "Obsession"?

They can all be used in everyday English.

Are "Addiction" and "Obsession" the same CEFR level?

"Addiction" is at B2, "Obsession" is at C1 on the CEFR scale.

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