speculate about

speculate about (someone or something)

To conjecture, hypothesize, or make guesses about someone or something without having supporting or conclusive evidence. We've all been speculating about the mysterious man who moved into the house two doors down. It's certain to be a gamble, but until we try it, all we can do is speculate about how the product will do on the market.See also: speculate

speculate about someone or something

to make guesses about someone or something; to hypothesize about someone or something. I refuse to speculate about Sally. I don't presume to guess what she will do. We don't speculate about the future.See also: speculate