impracticality
[im,prækti'kæləti]
n. 不切实际；不切实际之事
反义词
参考例子
1."Idealism", on the other, carries a connotation of impracticality, of valuing theory over practice.
而另一方面，“理想主义”却带有不切实际，或者说理论多于实践的含义。
2.China's draft recycling law has abandoned a progression price markup system on household use of water, electricity and gas because of its impracticality.
中国起草的环保经济法放弃了关于家庭用水、电、汽油的级数价格上升系统，因为这种系统不符合实际。
3.This would seem to be a complimentary term, but in point of fact it is not, for it has picked up associations of impracticality and ineffectuality and general dopiness.
由于具有不切实际、徒劳无益和愚蠢迟钝的联想意义，这个词看起来像是赞美的词汇，实际上并非如此。
英文解释
n.
1.concerned with theoretical possibilities rather than actual use
网络释义
Impracticality
不可实行; 不切实际; 不绦敌;