unachievable
US /ˌʌn.əˈtʃiː.və.bəl/
UK /ˌʌn.əˈtʃiː.və.bəl/
形容詞
無法實現的
An unachievable task, ambition, etc. is one that is impossible to achieve:
範例:
•
Cheap, pesticide-free food is probably an unachievable objective.