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English definition of “speculate”

speculate

verb [I] (TRADE)   /ˈspek·jəˌleɪt/
social studies to buy and sell with the hope that the value of what you buy will increase and that it can then be sold at a higher price in order to make a profit: He made his money speculating in the gold and silver markets.
(Definition of speculate verb (TRADE) from the Cambridge Academic Content Dictionary © Cambridge University Press)
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