the GNU version of the Collaborative International Dictionary of English
n. Intolerance; lack of toleration; refusal to tolerate a difference of opinion.
The Century Dictionary and Cyclopedia
n. Want of toleration; intolerance.
Word Usage
"Google claims "about 10,700" instances of the word "intoleration" — on Google's first page of "intoleration" results, the instances include several dictionary definitions of the word."