using more of something than is necessary; not saving or keeping something that could be used 浪費的;揮霍的 The whole process is wasteful and inefficient. 整個程序既浪費又低效。 a wasteful use of resources 對資源的浪費 The water shortage is due to wasteful consumption during a period of drought. 缺水是由於幹旱期間的浪費性消費造成的。 - wasteful of something
an engine that is wasteful of fuel 費燃料的發動機 This system is wasteful of time and energy. 這個系統浪費時間和能源。
Oxford Collocations DictionaryWasteful is used with these nouns:- duplication
- system