Dunning-Kruger effect
"dunning-kruger-effect" is a 19-letter English headword indexed on PlainSpell.
The verdict
“Dunning-Kruger effect” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 21
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A cognitive bias where an individual with limited knowledge or competence in a specific domain tends to greatly overestimate their own ability relative to objective criteria or the performance of o...
Corpus desk
Index EN-dunning-kruger-effect · Dunning-Kruger effect · English
Dunning-Kruger effect · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-MEGA 21 letters
- VOW-6 6 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "D" 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.
| Property | Value |
|---|---|
| Headword | Dunning-Kruger effect |
| Language | English |
| Part of speech | Noun |
| Letters | 21 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “Dunning-Kruger effect” in English
Rare enough to double-check
Dunning-Kruger effect is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "A cognitive bias where an individual with limited knowledge or competence in a specific domain tends to greatly overestimate their own ability relative to objective criteria or the performance of o...".
Zero misspellings are on record for Dunning-Kruger effect in our index, which points to an orthography that plays by predictable English rules. Our confusable-pair dataset has no match for it, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.
Etymologically, the entry records: Coined on everything2 in 2002 by user uucp, who in 2005 copied the same entry to Wikipedia under the title Dunning-Kruger syndrome, named for David Dunning and Justin Kruger of Cornell University, who studied the phenomenon. The correct English form is Dunning-Kruger effect, spelled D-U-N-N-I-N-G---K-R-U-G-E-R- -E-F-F-E-C-T.
Definition
- 1A cognitive bias where an individual with limited knowledge or competence in a specific domain tends to greatly overestimate their own ability relative to objective criteria or the performance of others.
Recorded use
Wiktionary examplesThese source excerpts show how Dunning-Kruger effect appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Though it grants them the advantage of higher levels of optimism, the Dunning-Kruger effect also hamstrings low performers with an even greater disadvantage: being less aware of their failings, they remain less likely to see the need, and thus make the effort, to improve themselves.
[Prince] Andrew, unfortunately, exhibited classic symptoms of what is scientifically recognised as the Dunning-Kruger effect, the cognitive bias in which people come to believe that they are smarter and more capable than they really are. The combination of minimal self-awareness and dim wattage leads sufferers of this condition to overestimate their own c…
Etymology
Coined on everything2 in 2002 by user uucp, who in 2005 copied the same entry to Wikipedia under the title Dunning-Kruger syndrome, named for David Dunning and Justin Kruger of Cornell University, who studied the phenomenon.
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.