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Synonyms

incapable

American  
[in-key-puh-buhl] / ɪnˈkeɪ pə bəl /

adjective

  1. not capable.

    Antonyms:
    able
  2. not having the necessary ability, qualification, or strength to perform some specified act or function.

    As an administrator, he is simply incapable.

    Synonyms:
    unqualified, impotent
  3. without ordinary capability; incompetent.


noun

  1. a thoroughly incompetent person, especially one of defective mentality.

idioms

  1. incapable of,

    1. not having the ability, qualification, or strength for (a specified act or function).

    2. not open to; not susceptible to or admitting.

      These materials are incapable of exact measurement.

    3. legally unqualified for.

incapable British  
/ ɪnˈkeɪpəbəl /

adjective

  1. not capable (of); lacking the ability (to)

  2. powerless or helpless, as through injury or intoxication

  3. not susceptible (to); not admitting (of)

    a problem incapable of solution

"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

Incapable, incompetent, inefficient, unable are applied to a person or thing that is lacking in ability, preparation, or power for whatever is to be done. Incapable usually means inherently lacking in ability or power: incapable of appreciating music; a bridge incapable of carrying heavy loads. Incompetent, generally used only of persons, means unfit or unqualified for a particular task: incompetent as an administrator. Inefficient means wasteful in the use of effort or power: an inefficient manager; inefficient methods. Unable usually refers to a temporary condition of inability to do some specific thing: unable to relax, to go to a concert.

Other Word Forms

  • incapability noun
  • incapableness noun
  • incapably adverb

Etymology

Origin of incapable

From the Late Latin word incapābilis, dating back to 1585–95. See in- 3, capable

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.

Nineteenth-century news media perpetuated the belief that young women were passive, incapable of deep thought or deep deception.

From Literature

And yet I remained, daily, mysteriously incapable of doing so.

From Salon

You are not constitutionally incapable of washing a carrot.

From Salon

Now, the convicted killer argues that his "torturous and inhumane" detention conditions during his trial made him incapable of making rational decisions when he pleaded guilty, according to a court synopsis of the case.

From Barron's

Someone incapable of finding a package would be of no help in locating Mrs. Sandler, he figured, so he went looking himself.

From Literature