If you describe something as ~, you think that it is foolish and likely to lead to a bad result.
It would be ~ to expect too much...
...a series of ~ investments in plastics and shipping.
? sensible
ADJ: oft it v-link ADJ to-inf
~ly
She accepted that she had acted ~ly and mistakenly...
= foolishly
ADV: usu ADV with v, also ADV with cl