wasteful
Translation
wasteful, extravagant
Examples
It's wasteful to leave the lights on.
It's wasteful to leave the lights on.
He has a very wasteful lifestyle.
He has a very wasteful lifestyle.
Grammar Patterns
It is wasteful ((to do sth.)) using more of something than is necessary It's wasteful to leave the lights on.
a wasteful ((noun)) a person or thing that wastes something He has a very wasteful lifestyle.
Similar Words
Synonyms: extravagant, profligate; Antonyms: frugal, economical, thrifty
Etymology
From 'waste' + '-ful' (full of). Literally 'full of waste'.
Memory Tips
Someone who is 'wasteful' is 'full' of 'waste'.