intolerance UK /ɪnˈtɒl.ə.ɹəns/US /ɪnˈtɑ.lə.ɹəns/ noun2 •The state of being intolerant.Religious intolerance is a serious problem in Brazil. •Extreme sensitivity to a food or drug; of a food that is generally considered edible, an individual inability to digest it. formsintolerances