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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.

“Either they see us as small children incapable of having things explained to them, or they believe such explanation is beneath them,” it said.

From The Wall Street Journal

“I’m not! And it’d be one thing if the badger were good company. But Captain, even though you’re incapable of sentient thought or speech, you make for better conversation than that squashed skunk.”

From Literature

Today’s news suggests that cybersecurity firms are potentially incapable of protecting clients against bad actors using AI.

From Barron's

“Any belief that Gulf countries are incapable of responding is a miscalculation.”

From The Wall Street Journal

Leaders of states in the Persian Gulf, The Wall Street Journal reported this week, now want Iran’s military rendered incapable of further attacks.

From The Wall Street Journal