Main Entry: sec·ond–guess

Pronunciation: \ˌse-k^əŋ-ˈges, -kən(d)-\

Function: transitive verb

Date: 1941

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