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Showing results for intractable. Search instead for intractables.
Synonyms

intractable

American  
[in-trak-tuh-buhl] / ɪnˈtræk tə bəl /

adjective

  1. not easily controlled or directed; not docile or manageable; stubborn; obstinate.

    an intractable disposition.

    Synonyms:
    unyielding, adamant, inflexible, unbending, refractory, fractious, froward, willful, stony, obdurate, dogged, headstrong, perverse
    Antonyms:
    flexible, amenable, amiable
  2. (of things) hard to shape or work with.

    an intractable metal.

    Synonyms:
    unyielding, adamant, inflexible, unbending, refractory, fractious
    Antonyms:
    flexible, amenable
  3. hard to treat, relieve, or cure.

    the intractable pain in his leg.


noun

  1. an intractable person.

intractable British  
/ ɪnˈtræktəbəl /

adjective

  1. difficult to influence or direct

    an intractable disposition

  2. (of a problem, illness, etc) difficult to solve, alleviate, or cure

  3. difficult to shape or mould, esp with the hands

"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 unruly.

Other Word Forms

  • intractability noun
  • intractableness noun
  • intractably adverb

Etymology

Origin of intractable

From the Latin word intractābilis, dating back to 1535–45. See in- 3, tractable

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.

"We've made progress on this really big, seemingly intractable question: why is there something instead of nothing?" said Professor Messier.

From Science Daily • Mar. 3, 2026

Overlapping plots and jurisdictions trigger intractable land disputes.

From Barron's • Feb. 26, 2026

Locally, he said, homelessness was the issue they identified as the most intractable.

From Los Angeles Times • Feb. 5, 2026

The term for Jean and Stephen, Julian says, is “rekindlers”—though they turn out to be “non-rekindlers,” as intractable problems impose a sad outcome on their fairy-tale romance.

From The Wall Street Journal • Jan. 16, 2026

This struck him as an intractable problem, for a variety of reasons.

From "Freakonomics: A Rogue Economist Explores the Hidden Side of Everything" by Steven D. Levitt