Expert vs Specialist

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

 ExpertSpecialist
MeaningA person who knows a lot about something.A person who knows a lot about a specific subject.
CEFR levelA2B2
Part of speechnounnoun
Usage notesUse 'expert' to describe someone's high skill or knowledge in a specific area. More suitable in formal contexts, but can also be used informally when discussing hobbies or practical skills.Use 'specialist' when referring to someone with expertise in a particular field, like medicine or technology. It's appropriate in both casual and professional contexts but may sound overly formal in everyday conversation.

Frequently asked questions: Expert vs Specialist

What's the difference between "Expert" and "Specialist"?

"Expert" means: A person who knows a lot about something. "Specialist" means: A person who knows a lot about a specific subject.

When should I use "Expert" and "Specialist"?

They can all be used in everyday English.

Are "Expert" and "Specialist" the same CEFR level?

"Expert" is at A2, "Specialist" is at B2 on the CEFR scale.

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