Unwilling to tolerate difference of opinion WordNet 3.0 & Open English WordNet

Not tolerant; close-minded about new or different ideas; indisposed to tolerate contrary opinions or beliefs; impatient of dissent or opposition; denying or refusing the right of private opinion or choice in others; inclined to persecute or suppress dissent. Wiktionary

Not tolerant; close-minded about new or different ideas. Wiktionary (translation)