idealism /aɪˈdiːjəˌlɪzəm/ noun Learner's definition of IDEALISM
[noncount]
: the attitude of a person who believes that it is possible to live according to very high standards of behavior and honesty理想主义；唯心主义；观念论 — idealist
/aɪˈdiːjəlɪst/ noun, plural idealists [count] — idealistic
/aɪˌdiːjəˈlɪstɪk/ adjective [more idealistic; most idealistic] — idealistically
/aɪˌdiːjəˈlɪstɪkli/ adverb