second-guess

/ˈsɛk.əndˌɡɛs/

//ˈsɛk.əndˌɡɛs// verb

"second-guess" is a 11-letter English headword indexed on PlainSpell.

The verdict

“second-guess” is uncommon English (outside the top frequency list), classed as a verb. The kind of spelling people second-guess.

Unranked
below top-frequency English
12
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - To vet or evaluate; to criticize or correct, often by hindsight, by presuming to have a better idea, method, etc.

Corpus desk

Index EN-second-guess · second-guess · English

second-guess · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 12 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "S" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for second-guess
PropertyValue
Headwordsecond-guess
LanguageEnglish
Part of speechVerb
IPA/ˈsɛk.əndˌɡɛs/
Letters12
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “second-guess” in English

second-guessranks outside the top 100,000 English headwords, in the long tail of specialist, archaic, or seldom-used vocabulary, exactly the territory where a reader stops mid-sentence to double-check spelling.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

second-guess is uncommon English outside the top frequency list, classed as averb, transcribed /ˈsɛk.əndˌɡɛs/. Rarity is why readers land here mid-draft. 2 senses are on record.

The misspelling generator found no plausible variants for second-guess, and the word's spelling is regular enough that our generator found nothing worth flagging. No confusable counterpart is on file for this word, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: A back-formation from second guesser, originally from baseball. First use appears c. 1941. The correct English form is second-guess, spelled S-E-C-O-N-D---G-U-E-S-S.

Definition

  1. 1
    To vet or evaluate; to criticize or correct, often by hindsight, by presuming to have a better idea, method, etc.
  2. 2
    To anticipate or predict someone's actions or thoughts by guesswork.

Recorded use

Wiktionary examples

These source excerpts show how second-guess appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Please don't try to second-guess the procedure that we have already refined and adopted.
  2. Once she began listening to her instincts and didn't second-guess herself the entire time, her artwork improved noticeably.

Etymology

A back-formation from second guesser, originally from baseball. First use appears c. 1941.

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "second-guess"?
"second-guess" is spelled S-E-C-O-N-D---G-U-E-S-S. The IPA pronunciation is /ˈsɛk.əndˌɡɛs/.
What does "second-guess" mean?
As a verb, "second-guess" means: To vet or evaluate; to criticize or correct, often by hindsight, by presuming to have a better idea, method, etc.
How do you pronounce "second-guess"?
The IPA (International Phonetic Alphabet) transcription for "second-guess" is /ˈsɛk.əndˌɡɛs/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "second-guess"?
A back-formation from second guesser, originally from baseball. First use appears c. 1941. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list