Disability vs Impairment

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

Disability

Top 2,000 (common)B2noun

Impairment

FormalBeyond 10,000 (less common)
Most formal: ImpairmentMost common: Disability
 DisabilityImpairment
Pronunciation🇬🇧 /["/ˌdɪsəˈbɪləti/"]/🇺🇸 /["/ˌdɪsəˈbɪləti/"]/🇬🇧 //ɪmˈpɛəmənt//🇺🇸 //ɪmˈpɛrmənt//
MeaningA condition that limits a person's physical or mental abilities.The condition of having a weakness or loss of ability.
ExampleShe was born with a physical disability that affects her mobility.The study focused on the cognitive impairment observed in older adults.
RegisterNeutralFormal
How commonTop 2,000 (common)Beyond 10,000 (less common)
CEFR levelB2-
Part of speechnoun
Collocationschronic, profound, serious, experience, have, suffer, movement, organization, discrimination, chronic, profound, serious, experience, have, suffer, movement, organization, discriminationcognitive impairment, physical impairment, visual impairment, hearing impairment, functional impairment
Antonymsability, capability-
Common mistakesConfused with 'ability' — they are opposites., Using 'disabilty' (missing 'i') as a spelling mistake., Assuming all disabilities are visible.Using 'impairment' as a verb instead of a noun., Confusing 'impairment' with 'improvement'., Not using it with the correct prepositions.
Usage notesUse 'disability' in contexts related to health or ability. It’s neutral and inclusive language. Avoid using informal terms that may be insensitive.Used in medical and legal contexts to refer to loss of function or ability. Avoid in casual conversation.

Frequently asked questions: Disability vs Impairment

What's the difference between Disability and Impairment?

Disability: A condition that limits a person's physical or mental abilities. Impairment: The condition of having a weakness or loss of ability.

Which is more formal: Disability and Impairment?

Impairment is the most formal of these.

Which is more common: Disability and Impairment?

Disability is the most common in everyday English.

Can you show an example of each?

Disability: She was born with a physical disability that affects her mobility. Impairment: The study focused on the cognitive impairment observed in older adults.

Can I use Disability and Impairment interchangeably?

Not always. Disability and Impairment 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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