guesstimate

/ˈɡɛs.tə.mət/

//ˈɡɛs.tə.mət// noun

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

The verdict

“guesstimate” is uncommon English (frequency #94,915 among 2,313 “G” headwords), classed as a noun. The kind of spelling people second-guess.

#94,915
frequency rank, English
2,313
“G” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - An estimate that is hardly any better than a guess, often because it is based on insufficient or unreliable data.

Corpus desk

Index EN-guesstimate · guesstimate · English

guesstimate · rank #94,915 · 0 variants · 0 confusables

  • FREQ-RARE #94,915
  • LEN-MEGA 11 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 2,313
  • PHOTO-FINISH grossness

Nearest frequency peer: grossness (-3 rank slots)

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.

Long-tail ranks near “guesstimate”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “guesstimate” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for guesstimate
PropertyValue
Headwordguesstimate
LanguageEnglish
Part of speechNoun
IPA/ˈɡɛs.tə.mət/
Letters11
Frequency rank#94,915
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “guesstimate” in English

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).guesstimatefalls in this rarity band:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Rare peers in the same band: “grossness” (#94,912), “guiltless” (#94,918), “guro” (#94,919). Among 2,313 “G” headwords, “guesstimate” is #94,915. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

guesstimate is uncommon English at frequency #94,915 among 2,313 “G” headwords, classed as anoun, transcribed /ˈɡɛs.tə.mət/. Rarity is why readers land here mid-draft. Gloss: "An estimate that is hardly any better than a guess, often because it is based on insufficient or unreliable data.".

No generated misspelling entries exist for guesstimate in our index, a straightforward case of a spelling with little room for common typos. Our confusable-pair dataset has no match for it, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: Blend of guess + estimate. The correct English form is guesstimate, spelled G-U-E-S-S-T-I-M-A-T-E.

Definition

  1. 1
    An estimate that is hardly any better than a guess, often because it is based on insufficient or unreliable data.

Recorded use

Wiktionary examples

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

  1. Near-synonym: educated guess
  2. I'm not sure how many people were at the festival. My best guesstimate is 50,000.

Etymology

Blend of guess + estimate.

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); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "guesstimate"?
"guesstimate" is spelled G-U-E-S-S-T-I-M-A-T-E. The IPA pronunciation is /ˈɡɛs.tə.mət/.
What does "guesstimate" mean?
As a noun, "guesstimate" means: An estimate that is hardly any better than a guess, often because it is based on insufficient or unreliable data.
How do you pronounce "guesstimate"?
The IPA (International Phonetic Alphabet) transcription for "guesstimate" is /ˈɡɛs.tə.mət/. 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 "guesstimate"?
Blend of guess + estimate. 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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "guesstimate", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 11 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list