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high

 
 
/haɪ/ noun [C]

Definition

LARGE AMOUNT/LEVEL the top amount or level which something reaches: Computer ownership has reached an all-time high (= more people own computers than ever before).
EXCITEMENT a feeling of excitement or happiness: [usually singular] The players are still on a high from their last match.
(Definition of high noun from the Cambridge Learner's Dictionary © Cambridge University Press)

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