capability
Americannoun
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the quality of being capable; capacity; ability.
His capability was unquestionable.
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the ability to undergo or be affected by a given treatment or action.
the capability of glass in resisting heat.
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Usually capabilities. qualities, abilities, features, etc., that can be used or developed; potential.
Though dilapidated, the house has great capabilities.
noun
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the quality of being capable; ability
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the quality of being susceptible to the use or treatment indicated
the capability of a metal to be fused
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(usually plural) a characteristic that may be developed; potential aptitude
Other Word Forms
Derived 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.
Vocabulary lists containing capability
"The Declaration of Sentiments" (1848)
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Vocabulary from texts about Colin Powell
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President Obama's Speech at Hiroshima
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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.
This capability compresses the timeline between discovery and exploitation, placing immense pressure on organizations to fix vulnerabilities before attackers act.
From The Wall Street Journal • Jun. 10, 2026
A US official told the BBC that Kenya was selected due to "proximity, airports in the region having limited capability, and to ensure Americans can be treated in a timely manner".
From BBC • Jun. 9, 2026
The job requires “not only operational and strategic capability but also strong stakeholder management amid heightened geopolitical dynamics,” the bank says.
From The Wall Street Journal • Jun. 5, 2026
This capability enabled the team not only to identify gases surrounding the comet's nucleus, but also to map how those gases were distributed around the object.
From Science Daily • Jun. 4, 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
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
