not capable of being carried out or put into practice;
\\\"refloating the sunken ship proved impracticable because of its fragility\\\"
\\\"a suggested reform that was unfeasible in the prevailing circumstances\\\"
造句
用作形容詞(adj.)
It was impracticable to think that we could build the house in one week. 以為我們用一周的時間就能把房子蓋好，這種想法是不切實際的。
The plan is impracticable. 這個計劃是不可行的。
It was a thoroughly impracticable plan. 那是個根本無法實行的計劃。
常用短語
In the end the scheme was abandoned as impracticable.