2.adjectiveUnable or indisposed to tolerate, endure or bear.
"I am lactose-intolerant, so I can't drink milk."
3.adjectiveNot 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.