- 1[countable] an amount of something that is provided or available to be used The water supply is unsafe. Supplies of food are almost exhausted. We cannot guarantee adequate supplies of raw materials. Books were in short supply (= there were not enough of them).
- 2 supplies [plural] the things such as food, medicines, fuel, etc. that are needed by a group of people, for example an army or expedition Our supplies were running out. a transport plane carrying food and medical supplies for refugees
- 3[uncountable] the act of supplying something The U.N. has agreed to allow the supply of emergency aid. A stroke can disrupt the supply of oxygen to the brain. The electricity supply (= the system supplying electricity) had been cut off. a contract for the supply of timber
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