guileful
"guileful" is a 8-letter English headword indexed on PlainSpell.
The verdict
“guileful” is uncommon English (outside the top frequency list), classed as an adjective. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 8
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Full of guile; treacherously deceptive.
| Property | Value |
|---|---|
| Headword | guileful |
| Language | English |
| Part of speech | Adjective |
| Letters | 8 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “guileful” sits in English frequency
Rare enough to double-check
guileful is uncommon English outside the top frequency list, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Full of guile; treacherously deceptive.".
The misspelling generator found no plausible variants for guileful, a straightforward case of a spelling with little room for common typos. We don't track a confusable pairing for this entry, which tends to mean the word is visually distinctive enough to stand on its own.
Etymologically, the entry records: From Middle English gileful, gilful, equivalent to guile + -ful. The correct English form is guileful, spelled G-U-I-L-E-F-U-L.
Definition
- 1Full of guile; treacherously deceptive.
Etymology
From Middle English gileful, gilful, equivalent to guile + -ful.
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 "guileful"?
What does "guileful" mean?
What is the origin of the word "guileful"?
Is PlainSpell free to use?
Using “guileful”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is G-U-I-L-E-F-U-L - every other letter order is a misspelling in standard orthography.
- Browse more English words and confusable pairs in the same reference. English words
Data Source
Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.