second guesser

English

Alternative forms

Etymology

From second +‎ guesser. First use appears c. 1937. By a back-formation, second-guess as a verb appears a few years later in 1941.

Etymology

From second guess +‎ -er.

Noun

second guesser (plural second guessers)

  1. A person who second-guesses.
    • 1988 October, George Vass, “World Series: A Magnet for the Second-Guessers”, in Baseball Digest, volume 47, number 10, Lakeside Publishing Company, ISSN 0005-609X, page 21:
      Such a change of heart in MacPhail, or any other second guesser, is unlikely.
  2. (baseball, slang, originally) A person, particularly a fan, who questions or criticizes decisions made by the players or managers, especially after the results of those actions are known.