from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Difficult to manage or govern; stubborn. See Synonyms at unruly.
- adj. Difficult to mold or manipulate: intractable materials.
- adj. Difficult to alleviate, remedy, or cure: intractable pain.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Not tractable or to be drawn or guided by persuasion; not easily governed, managed, or directed; uncontrollable; incurable; violent; stubborn; obstinate.
from the GNU version of the Collaborative International Dictionary of English
- adj. Not tractable; not easily governed, managed, or directed; indisposed to be taught, disciplined, or tamed; violent; stubborn; obstinate; refractory.
from The Century Dictionary and Cyclopedia
- Not tractable or to be drawn or guided by persuasion; uncontrollable.
- Not to be brought into the desired order or condition; unmanageable; resisting effort: as, an intractable disposition; an intractable subject for literary treatment.
- Synonyms Stubborn, Refractory, etc. (see obstinate); unruly, unmanageable, ungovernable, wilful.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. not tractable; difficult to manage or mold
From in- + tractable (Wiktionary)