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English definition of “deflate”

deflate

verb [I or T] (MAKE SMALLER)    /dɪˈfleɪt/
If something that has air or gas inside it deflates, or is deflated, it becomes smaller because it loses the air or gas : to deflate a balloon / tyre Becoming and making smaller or lessBecoming and making less strong
(Definition of deflate verb (MAKE SMALLER) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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