From Longman Dictionary of Contemporary Englishuse something ↔ up phrasal verbto use all of something She’s used up all the hot water. → use→ See Verb table
Examples from the Corpus
use up• I tried to do a tree too but the shaving foam went phut and I realized I'd used it all up.• We had to go downstairs to the toilet, and in the winter the water used to freeze up.• We help women choose and use make- up.• That is to say, once we have used them all up and thrown them away, there won't be any more - ever.• Then you get used to climbing up anywhere you want.• Knowledge memorized as a list of facts is of little practical use unless backed up by activities that put it to work.• Or the settlor could direct that in a certain event a new use should spring up in D's favour.• Public libraries frequently have computers that people can use to brush up on their skills. 