Examples of “speculate” in a Sentence

verb To guess or form a theory about something without having solid proof.

• Without any clues, we can only speculate about why the train was late.
• Reporters speculated about the reasons behind the sudden resignation.
• It's pointless to speculate until we have the test results.

verb To buy or trade something risky, hoping to sell later at a profit.

• Some investors speculate in rare coins, hoping the price will rise next year.
• She warned her cousin not to speculate with money he could not afford to lose.
• He lost his savings speculating on volatile tech stocks.