Eligible vs Fit

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

Eligible

Top 2,000 (common)C1adjective

Fit

Top 1,000 (very common)A2verb
Most common: Fit
 EligibleFit
Pronunciation🇬🇧 /["/ˈelɪdʒəbl/"]/🇺🇸 /["/ˈelɪdʒəbl/"]/🇬🇧 /["/fɪt/","/fɪts/","/ˈfɪtɪd/","/ˈfɪtɪŋ/"]/🇺🇸 /["/fɪt/","/fɪts/","/ˈfɪtɪd/","/ˈfɪtɪŋ/"]/
Meaningmeeting the necessary requirements to do somethingTo be the right size or shape for something.
ExampleOnly those over 70 are eligible for the special payment.I need to fit this new sofa into my living room.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 1,000 (very common)
CEFR levelC1A2
Part of speechadjectiveverb
Collocationsbe eligible for, eligible candidates, eligible votersclosely, neatly, nicely, be designed to, in, into, onto, closely, neatly, nicely, be designed to, in, into, onto, perfectly, seamlessly, for, with, perfectly, seamlessly, for, with
Antonymsineligible, unqualifiedmiss, squeeze, misfit
Common mistakesConfusing 'eligible' with 'legible', Using 'eligible' without the correct preposition, Misunderstanding the requirements needed to be 'eligible''Fit' is often confused with 'fitted' — 'fit' describes the state, 'fitted' describes the act of making something fit., Some learners forget to use the preposition 'into' when discussing fitting in a space (e.g., 'fit into the box')., Using 'fit' as a noun instead of a verb can lead to confusion, as it mainly functions as a verb.
Usage notesUse 'eligible' when discussing qualifications or suitability, especially in formal contexts like job applications or benefits. Avoid in casual conversations.Use 'fit' when discussing whether something matches well or is suitable. It's neutral, so it can be used in both casual and formal conversations. Avoid using it when discussing emotional or abstract concepts; it’s more about physical or practical suitability.

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Fit

Frequently asked questions: Eligible vs Fit

What's the difference between Eligible and Fit?

Eligible: meeting the necessary requirements to do something Fit: To be the right size or shape for something.

Which is more common: Eligible and Fit?

Fit is the most common in everyday English.

Which is more advanced: Eligible and Fit?

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

Are Eligible and Fit the same CEFR level?

Eligible: C1, Fit: A2 on the CEFR scale.

What part of speech are Eligible and Fit?

Eligible: adjective, Fit: verb.

Can you show an example of each?

Eligible: Only those over 70 are eligible for the special payment. Fit: I need to fit this new sofa into my living room.

Can I use Eligible and Fit interchangeably?

Not always. Eligible and Fit 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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