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Synonyms

inability

American  
[in-uh-bil-i-tee] / ˌɪn əˈbɪl ɪ ti /

noun

  1. lack of ability; lack of power, capacity, or means.

    his inability to make decisions.

    Synonyms:
    incompetence, impotence, incapacity, incapability

inability British  
/ ˌɪnəˈbɪlɪtɪ /

noun

  1. lack of ability or means; incapacity

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Related Words

See disability.

Etymology

Origin of inability

First recorded in 1400–50; late Middle English inabilite, from Medieval Latin inhabilitās; equivalent to in- 3 + ability

Explanation

An inability refers to lacking the capacity to do something. A deaf person has an inability to hear. If you know that abilities are things people can do — like the ability of a basketball player to dunk the ball — then you might already have figured out that an inability is something a person cannot do. Most people have an inability to dunk a basketball. People who eat too much have an inability to resist food. Often, this word refers to having mental limitations: an inability to think or figure something out. We all have different abilities and inabilities.

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Vocabulary lists containing inability

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Does it speak of an overflow of creativity — or of an inability to edit?

From Los Angeles Times • May 15, 2026

It is the inability of businesses, investors and consumers to confidently price what comes next.

From MarketWatch • May 12, 2026

Most family businesses flame out within a few decades, undone by succession failures, personal conflict or an inability to adapt to changing markets.

From The Wall Street Journal • May 10, 2026

But an inability to meet that demand has become a concern.

From Barron's • May 7, 2026

The quote was from Ted Turner, the billionaire media mogul, founder of CNN, who had been lamenting his inability to snatch up the CBS network in a corporate megadeal.

From "Tuesdays with Morrie" by Mitch Albom

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