using more of something than is necessary; not saving or keeping something that could be used 浪费的;挥霍的 The whole process is wasteful and inefficient. 整个程序既浪费又低效。 a wasteful use of resources 对资源的浪费 The water shortage is due to wasteful consumption during a period of drought. 缺水是由于干旱期间的浪费性消费造成的。 - wasteful of something
an engine that is wasteful of fuel 费燃料的发动机 This system is wasteful of time and energy. 这个系统浪费时间和能源。
Oxford Collocations DictionaryWasteful is used with these nouns:- duplication
- system