Not tolerating difference of opinion or sentiment, especially in religious matters; refusing to allow others the enjoyment of their opinions, rights, or worship; unjustly impatient of the opinion of those disagree with us; not tolerant; unforbearing; bigoted.
My mother said I must always be intolerant of ignorance but understanding of illiteracy. That some people, unable to go to school, were more educated and more intelligent than college professors. Maya Angelou
What is objectionable, what is dangerous about extremists, is not that they are extreme, but that they are intolerant. The evil is not what they say about their cause, but what they say about their opponents. Robert Kennedy