1 to criticize someone's actions or an event after it has happened:
2 to criticize someone's decision after it has been made, and say what you think is wrong with it:
3 to guess what someone will do or what will happen
In the age before critical liberalism, it was not his task to evaluate the divine text, to discuss its accuracy or second-guess its teaching.
My decision to second-guess old research also took another form.
As it is, we can only second-guess.
It has also made noises about regional development agencies that will second-guess investment by trying to make investment decisions for business men.
He will not be there to second-guess the judgment of the chief executive in commercial matters.
Once we have asked such a committee to make its judgments on the worst possible scenario, we must accept those judgments and not second-guess them.
It is not for him then to second-guess that by taking the view of many officials who have misgivings.
To try to second-guess the expertise of business is not a past mistake that we intend to repeat.