English Reference

Word

inability

Phoneticsin·abil·i·ty

US/ˌɪnəˈbɪɫɪti/

UK/ɪnɐbˈɪlətˌi/

Definitions

01lack of skill or capacity

B2 · Upper Intermediate Uncountable noun

n. the fact that you cannot do something because you do not have the skill, strength, or knowledge.

n. the state of lacking the inherent capacity or acquired skill required to perform a task. Often functions as a formal alternative to 'being unable'.

“His inability to speak French made it difficult for him to work in Paris.”

“The candidate's inability to articulate a clear economic vision during the debate significantly damaged his standing in the polls.”

Usage

Usually followed by 'to' + verb.

Pitfall

His inability of swimming was a problem.

His inability to swim was a problem.

The noun 'inability' is followed by a 'to-infinitive', not the preposition 'of'.

Teaching tip

While 'incapacity' is often medical or legal, 'inability' is the standard term for a general lack of power or skill.

02lack of power or option

C1 · Advanced Uncountable noun Formal

n. the state of not being able to act because of rules, laws, or a lack of power.

n. the lack of legal, political, or situational power to effect a change or take an action.

“The committee expressed frustration at their inability to change the law.”

“The central bank's inability to curb inflation through interest rate hikes alone led to calls for broader fiscal reform.”

Synonyms

powerlessnesshelplessness

Antonyms

Collocations

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

Verb

01. confess an inability

“He eventually confessed his inability to complete the project without further technical assistance.”

verb + noun

02. demonstrate an inability

“The candidate demonstrated a persistent inability to answer direct questions during the debate.”

verb + noun

03. stem from an inability

“Many of the team's internal conflicts stem from an inability to communicate effectively.”

verb + prep + noun

Adjective

04. apparent inability

“The government's apparent inability to control inflation has led to widespread public protests.”

adj + noun

05. perceived inability

“Investors were spooked by the CEO's perceived inability to handle the recent crisis.”

adj + noun

06. total inability

“The patient showed a total inability to recognize familiar faces following the accident.”

adj + noun

Noun

07. inability to cope

“Her sudden resignation was blamed on an inability to cope with the high-pressure environment.”

noun + infinitive

08. inability to pay

“The company filed for bankruptcy citing an inability to pay its mounting debts.”

noun + infinitive

Real-World Examples

“The key, I believe, is teaching students to distinguish AI’s pattern recognition skills from its inability to daydream, inhabit human perspectives and authentically express itself.”
The Conversation 21 Aug 2026
“The Romanovs’ photo albums humanize a family that fiercely protected their privacy at the cost of intense criticism over their perceived insularity and inability to relate to everyday Russians.”
Smithsonian Magazine 16 Jul 2026

Etymology

From earlier inhability (“disqualification for office”), equivalent to in- + ability. Compare Middle French inhabilité, Medieval Latin inhabilitās.

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

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.C1 AdvancedIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.7.0–8.0TOEFL 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: 5.0–5.595–113TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.945–990
Frequency
Frequent
Level
C1 · AdvancedOxford
Updated

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