Dictionary

second–guess

transitive verb sec·ond–guess \ˌse-kəŋ-ˈges, -kən(d)-\

: to criticize or question the actions or decisions of someone

: to try to guess or predict what (someone or something) will do

Full Definition of SECOND-GUESS

1
:  to criticize or question actions or decisions of (someone) often after the results of those actions or decisions are known <meet almost every morning and, over coffee, second–guess the local coach — Bruce Newman>; also :  to engage in such criticism of (an action or decision) <second–guess the general's strategy>
2
:  to seek to anticipate or predict <lived royally by his ability to second–guess the stock market — Time>
sec·ond–guess·er noun
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First Known Use of SECOND-GUESS

1941

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