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English definition of “speculate”

speculate

verb [I] (GUESS)    /ˈspek.jʊ.leɪt/
C2 to guess possible answers to a question when you do not have enough information to be certain : I don't know why she did it - I'm just speculating. A spokesperson declined to speculate on the cause of the train crash . Journalists are speculating about whether interest rates will be cut . [+ that] The newspapers have speculated that they will get married next year .Guessing, supposing and suspecting
(Definition of speculate verb (GUESS) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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