second-guess

verb

second-guessed; second-guessing; second-guesses
Synonyms of second-guess

transitive verb

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
second-guesser noun

Examples of second-guess in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The school supply aisle has a way of making parents second-guess everything. Adrienne Farr, Parents, 15 Aug. 2026 These communications, Kroger said, led C&S to second-guess the initial agreement, creating a domino effect and prompting the Washington court to block the sale. Saleen Martin, USA Today, 14 Aug. 2026 Speaking publicly for the first time since discussions fell apart in Springfield, McCaskey said the Bears aren’t second-guessing their strategy to get a deal done in Illinois. Sean Hammond, Chicago Tribune, 13 Aug. 2026 Feeney said to me in an email that Best in Class shows contestants second-guessing concepts, scrapping ideas and adjusting their approach before reaching the final product. Jacqueline Jevtich, Forbes.com, 12 Aug. 2026 See All Example Sentences for second-guess

Word History

First Known Use

1941, in the meaning defined at sense 2

Time Traveler
The first known use of second-guess was in 1941

Browse Nearby Words

Cite this Entry

“Second-guess.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/second-guess. Accessed 23 Aug. 2026.

Kids Definition

second-guess

verb
sec·​ond-guess
ˌsek-ᵊŋ-ˈges
-ən-
1
: to question or criticize actions or decisions of (someone) often after the results of those actions or decisions are known
2
second-guesser noun

More from Merriam-Webster on second-guess

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster