From Longman Dictionary of Contemporary Englishgo to wastego to wasteWASTE somethingif something goes to waste, it is not used Don’t let all this food go to waste. → waste
Examples from the Corpus
go to waste• And all that effort went to waste.• If no one else wants this, I'll eat it -- I hate to see good food go to waste.• Don't let all this food go to waste.• Unfortunately, most of these useful and innovative ideas go to waste without investigation.• I still had tickets to use for this season, and now those will just go to waste.• Every part of the animal was used and nothing went to waste.• Local produce often goes to waste because people prefer to buy imported food.• However, they needn't go to waste.• Oh, no, she resolved, not twice; she wasn't going to waste another year of her life!• She wasn't going to waste her strength.• I hate to see them go to waste.• We can't let all our hard work go to waste. 