Eager vs Keen vs Ready

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

Eager

Top 2,000 (common)C1adjective

Keen

Top 2,000 (common)B1adjective

Ready

Top 1,000 (very common)A1adjective
Most common: Ready
 EagerKeenReady
Pronunciation🇬🇧 /["/ˈiːɡə(r)/"]/🇺🇸 /["/ˈiːɡər/"]/🇬🇧 //kiːn//🇺🇸 //kin//🇬🇧 /["/ˈredi/"]/🇺🇸 /["/ˈredi/"]/
Meaningvery excited and wanting something a lotVery eager or enthusiastic about something.Prepared or willing to do something.
Exampleeager crowds outside the stadiumShe is keen to learn new languages.I am ready to start the project.
RegisterNeutralNeutralNeutral
How commonTop 2,000 (common)Top 2,000 (common)Top 1,000 (very common)
CEFR levelC1B1A1
Part of speechadjectiveadjectiveadjective
Collocationsappear, be, look, extremely, only too, really, forkeen interest, keen observer, keen eyeappear, be, feel, all, completely, totally, for, with, appear, be, feel, all, completely, totally, for, with, appear, be, seem, more than, only too, very, ready and willing
Antonymsreluctant, apathetic, indifferent, unenthusiasticapathetic, indifferent, uninterestedunprepared, incomplete, hesitant
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.'Keen' is often confused with 'keen to', which should only be used for expressing desire., Learners sometimes use 'keen' as a noun instead of an adjective., Often incorrectly used without a specific object, e.g., 'I am keen' should be 'I am keen on cooking.'Using 'ready' without 'to' when followed by a verb., Confusing 'ready' with 'set' in phrases like 'ready, set, go'., Using 'ready' in negative forms incorrectly, such as 'not ready to can'.
Usage notesUse 'eager' when someone is enthusiastic about doing something. Avoid in overly formal situations; instead, use 'enthusiastic'.Use 'keen' to express interest or enthusiasm. Often used in informal contexts, but also appropriate in formal writing.Use 'ready' when someone is prepared for an action. It’s neutral, suitable for most contexts. Avoid in overly formal writing.

Frequently asked questions: Eager vs Keen vs Ready

What's the difference between Eager, Keen, and Ready?

Eager: very excited and wanting something a lot Keen: Very eager or enthusiastic about something. Ready: Prepared or willing to do something.

Which is more common: Eager, Keen, and Ready?

Ready is the most common in everyday English.

Which is more advanced: Eager, Keen, and Ready?

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

Are Eager, Keen, and Ready the same CEFR level?

Eager: C1, Keen: B1, Ready: A1 on the CEFR scale.

What part of speech are Eager, Keen, and Ready?

Eager: adjective, Keen: adjective, Ready: adjective.

Can you show an example of each?

Eager: eager crowds outside the stadium Keen: She is keen to learn new languages. Ready: I am ready to start the project.

Can I use Eager, Keen, and Ready interchangeably?

Not always. Eager, Keen, and Ready 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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