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English definition of “speculate”

speculate

verb [I] (GUESS)   /ˈspek·jəˌleɪt/
to form opinions about something without having the necessary information or facts ; to make guesses : I’m just speculating about what happened . Officials refused to speculate on the cause of the crash .
(Definition of speculate verb (GUESS) from the Cambridge Academic Content Dictionary © Cambridge University Press)
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