unrealistic
un‧rea‧lis‧tic /ˌʌnrɪəˈlɪstɪk◂/
adjective
it is unrealistic to do something
It is unrealistic to expect these changes to happen overnight.
Some parents have totally unrealistic expectations of teachers.
—unrealistically /-kli/ adverb
un‧rea‧lis‧tic /ˌʌnrɪəˈlɪstɪk◂/
adjective Word Family: noun: realism, realist, reality, unreality, realization; adverb: real, really, realistically ≠ unrealistically; adjective: real, unreal, realistic ≠ unrealistic; verb: realize
unrealistic ideas or hopes are not reasonable or sensibleit is unrealistic to do something
—unrealistically /-kli/ adverb