un·re·al·is·tic 
/ˌʌnˌri:jəˈlɪstɪk/ adjective
/ˌʌnˌri:jəˈlɪstɪk/ adjective [more unrealistic; most unrealistic] : not realistic: such as a : not able to see things as they really are
▪ an unrealistic person
b : based on what is wanted or hoped for rather than on what is possible or likely : not sensible and appropriate
▪ unrealistic expectations/demands ▪ It's unrealistic to expect so much.
c : not showing people and things as they are in real life
▪ The dialogue in the movie was unrealistic. ▪ an unrealistic scenario
▪ an unrealistic person
b : based on what is wanted or hoped for rather than on what is possible or likely : not sensible and appropriate
▪ unrealistic expectations/demands ▪ It's unrealistic to expect so much.
c : not showing people and things as they are in real life
▪ The dialogue in the movie was unrealistic. ▪ an unrealistic scenario
— un·re·al·is·tic·al·ly /ˌʌnˌri:jəˈlɪstɪkli/ adverb
▪ You're being unrealistically optimistic.
▪ You're being unrealistically optimistic.
