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English definition of “second-guess”

second-guess

verb [T]  /ˈsek·əndˈɡes/ us  

second-guess verb [T] (CRITICIZE)

to criticize someone's decision after it has been made, and say what you think is wrong with it: It doesn't help to second-guess their decision.

second-guess verb [T] (GUESS)

to guess what someone will do or what will happen
(Definition of second-guess from the Cambridge Academic Content Dictionary © Cambridge University Press)
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