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Synonyms

capability

American  
[key-puh-bil-i-tee] / ˌkeɪ pəˈbɪl ɪ ti /

noun

plural

capabilities
  1. the quality of being capable; capacity; ability.

    His capability was unquestionable.

  2. the ability to undergo or be affected by a given treatment or action.

    the capability of glass in resisting heat.

  3. Usually capabilities. qualities, abilities, features, etc., that can be used or developed; potential.

    Though dilapidated, the house has great capabilities.


capability British  
/ ˌkeɪpəˈbɪlɪtɪ /

noun

  1. the quality of being capable; ability

  2. the quality of being susceptible to the use or treatment indicated

    the capability of a metal to be fused

  3. (usually plural) a characteristic that may be developed; potential aptitude

"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

Other Word Forms

Etymology

Origin of capability

First recorded in 1580–90; from Middle French capabilité, from Late Latin capābili(s) capable + -ty 2

Compare meaning

How does capability compare to similar and commonly confused words? Explore the most common comparisons:

Explanation

A capability is something a person or a thing is able to do. It's hard to find a cell phone that doesn't include other capabilities, like taking pictures or storing MP3s. Inside the word capability is the word ability. Note the fine distinction between them. If you have an ability, it means you know how to do something. If you have a capability, it means you have the power to do something. Buying uranium gives a country the capability of making nuclear weapons, but first they need scientists with the ability to do the work.

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Vocabulary lists containing capability

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.

The new ships will triple the country’s air defense capability, he said.

From The Wall Street Journal • May 19, 2026

Lord Bichard, chairman of National Trading Standards, said the unit would "help drive a coordinated national response while strengthening local enforcement capability".

From BBC • May 18, 2026

"But it turns out Roman's astrometric capability is really good at detecting neutron stars and black holes, so we can add a whole new kind of science to Roman's surveys."

From Science Daily • May 15, 2026

This means Iran has “a moderate, if not small, capability to continue strikes,” Adm.

From The Wall Street Journal • May 15, 2026

The project took about fifteen years to complete, a testament to the civil engineering of the day and an indication of the extraordinary practical capability of the Ionians.

From "Cosmos" by Carl Sagan

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