English Reference

Word

impairment

Phoneticsim·pair·ment, stress on the second syllable

US/ˌɪmˈpɛɹmənt/

UK/ɪmpˈeəmənt/

Definitions

01physical or mental condition

B2 · Upper Intermediate Countable noun Medicine Formal

n. a condition where a part of your body or mind is damaged or does not work as it should.

n. a permanent or temporary loss or abnormality of a psychological, physiological, or anatomical structure or function.

“The school provides extra support for students with a visual impairment.”

“The clinical assessment aimed to determine the extent of cognitive impairment resulting from the patient's recent head injury.”

Usage

Often used with 'visual', 'hearing', or 'cognitive'.

02loss of financial value

C1 · Advanced Uncountable noun Law Technical · Formal

n. a reduction in the value of a company's asset because it is no longer worth what was originally paid.

n. a permanent reduction in the value of an asset to less than its carrying amount on a balance sheet.

“The company had to report a large impairment on its property after the market crashed.”

“Following the annual audit, the board recognised a significant impairment loss on the goodwill associated with the recent acquisition.”

Usage

Commonly appears in the phrase 'impairment loss'.

Synonyms

write-downdepreciation

Antonyms

03general weakening

C1 · Advanced Uncountable noun Formal

n. the process of something becoming weaker or less effective.

n. the state or process of being diminished in quality, strength, or value.

“The impairment of the bridge's structure was caused by years of salt water damage.”

“The report highlighted the gradual impairment of diplomatic relations between the two neighbouring states over the last decade.”

Collocations

Common phrases and expressions where native English speakers use the word “impairment” in context.

Adjective

01. visual impairment

“The museum provides special audio guides for visitors with a visual impairment.”

adj + noun

Real-World Examples

“Cannabis-related impairment often went undetected by those tests.”
ScienceDaily 29 May 2026
“Much less is known about how to turn a positive test into a reliable timestamp for impairment.”
BBC News 15 Aug 2026

Etymology

From Middle English empeirement, empeyrement, emparement, from Anglo-Norman empairement, emperement, enpeirement, from Old French ampirement, anpirement, enperement, equivalent to impair + -ment.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

NOUN

impairment(B2)

Domain

Accounting

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
Frequency
Frequent
Level
B2 · Upper Intermediate
Updated

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English Reference