Able vs Capable vs Fit vs Qualified

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

Able

Top 1,000 (very common)A2adjective

Capable

Top 2,000 (common)B2adjective

Fit

Top 1,000 (very common)A2verb

Qualified

Top 1,000 (very common)B1adjective
 AbleCapableFitQualified
Pronunciation🇬🇧 /["/ˈeɪbl/","/ˈeɪblə(r)/","/ˈeɪblɪst/"]/🇺🇸 /["/ˈeɪbl/","/ˈeɪblər/","/ˈeɪblɪst/"]/🇬🇧 /["/ˈkeɪpəbl/"]/🇺🇸 /["/ˈkeɪpəbl/"]/🇬🇧 /["/fɪt/","/fɪts/","/ˈfɪtɪd/","/ˈfɪtɪŋ/"]/🇺🇸 /["/fɪt/","/fɪts/","/ˈfɪtɪd/","/ˈfɪtɪŋ/"]/🇬🇧 /["/ˈkwɒlɪfaɪd/"]/🇺🇸 /["/ˈkwɑːlɪfaɪd/"]/
MeaningHaving the skill, power, or opportunity to do something.able to do something; having the skill or power to do itTo be the right size or shape for something.Having the right skills or knowledge for a job.
ExampleShe is able to speak three languages.She is quite capable of handling difficult situations on her own.I need to fit this new sofa into my living room.She is a highly qualified teacher with years of experience.
RegisterNeutralNeutralNeutralNeutral
How commonTop 1,000 (very common)Top 2,000 (common)Top 1,000 (very common)Top 1,000 (very common)
CEFR levelA2B2A2B1
Part of speechadjectiveadjectiveverbadjective
Collocationsbe, feel, prove, fully, perfectly, quite, be, seem, extremely, fairly, veryappear, be, feel, fully, more than, perfectly, be, seem, extremely, fairly, veryclosely, neatly, nicely, be designed to, in, into, onto, closely, neatly, nicely, be designed to, in, into, onto, perfectly, seamlessly, for, with, perfectly, seamlessly, for, withbe, become, get, highly, well, fully, as, be, feel, eminently, ideally, uniquely, be, heavily
Antonymsunable, incapableincapable, unablemiss, squeeze, misfitunqualified, incompetent
Common mistakesConfused with 'capable' — they are similar but not interchangeable., Using 'able' without 'to' when following it with a verb., Incorrectly using 'able' with a past event.Confused about using 'capable of' versus 'capable for'., Using 'capability' instead of 'capable' incorrectly., Using 'capable' as an adverb (it’s an adjective).'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.Confusing 'qualified' with 'qualifying', Using 'qualified' without specifying what for, Mispronouncing 'qualified' with an incorrect emphasis
Usage notesUse 'able' to express capability in a neutral context. It’s appropriate in both spoken and written English but avoid using it in overly formal situations.Use 'capable' to describe someone or something that has the ability to achieve a task. It's suitable in both personal and professional contexts. Avoid using it in overly casual situations.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.Used when discussing someone's abilities in a work context. Appropriately used in job interviews and resumes, but avoid informal situations.

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Able
Capable
Fit
Qualified

Frequently asked questions: Able vs Capable vs Fit vs Qualified

What's the difference between Able, Capable, Fit, and Qualified?

Able: Having the skill, power, or opportunity to do something. Capable: able to do something; having the skill or power to do it Fit: To be the right size or shape for something. Qualified: Having the right skills or knowledge for a job.

Which is more advanced: Able, Capable, Fit, and Qualified?

Capable is the highest level, at B2, on the CEFR scale.

Are Able, Capable, Fit, and Qualified the same CEFR level?

Able: A2, Capable: B2, Fit: A2, Qualified: B1 on the CEFR scale.

What part of speech are Able, Capable, Fit, and Qualified?

Able: adjective, Capable: adjective, Fit: verb, Qualified: adjective.

Can you show an example of each?

Able: She is able to speak three languages. Capable: She is quite capable of handling difficult situations on her own. Fit: I need to fit this new sofa into my living room. Qualified: She is a highly qualified teacher with years of experience.

Can I use Able, Capable, Fit, and Qualified interchangeably?

Not always. Able, Capable, Fit, and Qualified 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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