B1adjectiveenvironmentmoney
US/ˈweɪst.fəl/
UK/ˈweɪst.fəl/
using more money, time or material than you need to
In context
Leaving the lights on all night is wasteful and expensive.
The city was criticized for wasteful spending on new offices.
Throwing away good food is a wasteful habit.
Words that go with wasteful
adjective + noun
- wasteful spendingVoters are angry about wasteful spending.
- wasteful habitUsing a plastic bag once is a wasteful habit.
- wasteful useThe wasteful use of water worries farmers.
- wasteful practicePrinting every email is a wasteful practice.
- wasteful processOld factories often have a wasteful process.
adjective + preposition
- wasteful ofThis method is wasteful of both time and energy.