dis·il·lu·sion 
/ˌdɪsəˈlu:ʒən/ verb
dis·il·lu·sions; dis·il·lu·sioned; dis·il·lu·sion·ing /ˌdɪsəˈlu:ʒən/ verb [+ obj] : to cause (someone) to stop believing that something is good, valuable, true, etc.
▪ Working at that store for six months was enough to disillusion me about retail work.
▪ Working at that store for six months was enough to disillusion me about retail work.
— disillusion noun [noncount]
▪ His disillusion [=disillusionment] with the job was obvious.
▪ His disillusion [=disillusionment] with the job was obvious.
— disillusioning adjective [more disillusioning; most disillusioning]
▪ a very disillusioning experience
▪ a very disillusioning experience
— dis·il·lu·sion·ment /ˌdɪsəˈlu:ʒənmənt/ noun [noncount]
▪ Disillusionment with the city government grew as conditions worsened.
/ˌdɪsəˈlu:ʒənmənt/ noun [noncount] ▪ Disillusionment with the city government grew as conditions worsened.
