to use time, money, energy, or other resources in a careless or unnecessary way
Don’t waste water while brushing your teeth.
He wasted half the afternoon playing video games.
things that people do not want or need and throw away such as garbage, scrap, or unwanted chemicals
Please put your waste in the recycling bin.
Factories must treat their chemical waste before releasing water.
✦ From Old French ‘waste’, from Latin ‘vastum’ meaning empty or deserted.
an unnecessary or careless use of something valuable such as time, money, or energy
Leaving the lights on all day is a waste of electricity.
What a waste of perfectly good food!
solid or liquid material that the body no longer needs and passes out, such as urine or feces
The kidneys filter blood and remove liquid waste.
Proper hygiene helps prevent illness caused by human waste.
a large empty or barren area where very few plants grow or people live
After the fire, the valley was a black waste.
Explorers crossed the frozen wastes of the Arctic.