unrealistic
🇺🇸
/ˌʌnriːəˈlɪstɪk/
🇬🇧
/ˌʌnrɪəˈlɪstɪk/
adjective
R
not based on what is real or possible
His plan to become a millionaire in one month is unrealistic.
translation
not based on what is real or possible