If you say that something is ~, you mean that you do not think it can be done, made, or achieved.
The weather made it ~ to be outdoors...
The board said the idea was ~.
= impractical
? feasible
ADJ
If you say that something is ~, you mean that you do not think it can be done, made, or achieved.
The weather made it ~ to be outdoors...
The board said the idea was ~.
= impractical
? feasible
ADJ
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012