- 1[transitive] second-guess somebody/something to guess what somebody will do before they do it It was impossible to second-guess the decision of the jury.
- 2[transitive, intransitive] second-guess (somebody/something) (especially North American English) to criticize somebody after a decision has been made; to criticize something after it has happened
BrE ; NAmEVerb Forms present simple I / you / we / they second-guess
BrE ; NAmEhe / she / it second-guesses
BrE ; NAmEpast simple second-guessed
BrE ; NAmEpast participle second-guessed
BrE ; NAmE-ing form second-guessing
BrE ; NAmE