using more of something than is necessary; not saving or keeping something that could be used The whole process is wasteful and inefficient. a wasteful use of resources wasteful of something an engine that is wasteful of fuel
Want to learn more?
Find out which words work together and produce more natural sounding English with the Oxford Collocations Dictionary app.
NAmE//ˈweɪstfəli//
adverb noun [uncountable]See wasteful in the Oxford Advanced Learner's Dictionary
Check pronunciation: wasteful