second-guess - definition and synonyms

verb [transitive] 

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present tense
I/you/we/theysecond-guess
he/she/itsecond-guesses
present participlesecond-guessing
past tensesecond-guessed
past participlesecond-guessed
  1. 1
    to guess what someone is going to do or what will happen
     Synonyms and related words