Eager vs Enthusiastic

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

Eager

Top 2,000 (common)C1adjective

Enthusiastic

Top 2,000 (common)B2adjective
 EagerEnthusiastic
Pronunciation🇬🇧 /["/ˈiːɡə(r)/"]/🇺🇸 /["/ˈiːɡər/"]/🇬🇧 /["/ɪnˌθjuːziˈæstɪk/"]/🇺🇸 /["/ɪnˌθuːziˈæstɪk/"]/
Meaningvery excited and wanting something a lotshowing a lot of excitement and interest
Exampleeager crowds outside the stadiumShe was enthusiastic about the new project and shared her ideas with the team.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 2,000 (common)
CEFR levelC1B2
Part of speechadjectiveadjective
Collocationsappear, be, look, extremely, only too, really, forbe, feel, look, extremely, fairly, very, about, in
Antonymsreluctant, apathetic, indifferent, unenthusiasticapathetic, indifferent, disinterested
Common mistakesConfused with 'anxious', thinking they mean the same thing., 'Eager' is not used with a noun directly; learners sometimes say 'eager student' instead of 'eager to learn'., Using 'eager' in negative contexts incorrectly.Confused with 'enthusiasm' (the noun form) and 'enthusiastic' (the adjective form), Using it in a negative context, where it doesn't fit, Incorrectly pluralizing it, e.g., 'enthusiastics'
Usage notesUse 'eager' when someone is enthusiastic about doing something. Avoid in overly formal situations; instead, use 'enthusiastic'.Use 'enthusiastic' to describe someone's strong positive feelings about something. Appropriate in both casual and formal contexts, but avoid it in overly serious discussions.

Frequently asked questions: Eager vs Enthusiastic

What's the difference between Eager and Enthusiastic?

Eager: very excited and wanting something a lot Enthusiastic: showing a lot of excitement and interest

Which is more advanced: Eager and Enthusiastic?

Eager is the highest level, at C1, on the CEFR scale.

Are Eager and Enthusiastic the same CEFR level?

Eager: C1, Enthusiastic: B2 on the CEFR scale.

What part of speech are Eager and Enthusiastic?

Eager: adjective, Enthusiastic: adjective.

Can you show an example of each?

Eager: eager crowds outside the stadium Enthusiastic: She was enthusiastic about the new project and shared her ideas with the team.

Can I use Eager and Enthusiastic interchangeably?

Not always. Eager and Enthusiastic are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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