impeccable

/ɪmˈpɛkəbəl/

//ɪmˈpɛkəbəl// adj

By · According to Wiktionary data (CC BY-SA) ·

"impeccable" is a 10-letter English headword indexed on PlainSpell.

The verdict

“impeccable” has 14 generated spelling variants in the English index at frequency #20,960. The variants make it a useful spelling check.

#20,960
frequency rank, English
2,140
“I” headwords
14
tracked misspellings
2
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Perfect, without faults, flaws or errors

Corpus desk

Index EN-impeccable · impeccable · English

impeccable · rank #20,960 · 14 variants · 2 confusables

  • FREQ-MID #20,960
  • LEN-MEGA 10 letters
  • VOW-4 4 vowels
  • CONFUS-LOW 2 pairs
  • VAR-HIGH 14 variants
  • BOOK-MID 2,140
  • PHOTO-FINISH immersive

Nearest frequency peer: immersive (-1 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.

Rank peers near misspelling magnet “impeccable”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

What this shows “impeccable” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

impeccable vs impeccably
90% similar
impeccable vs implacable
80% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for impeccable
PropertyValue
Headwordimpeccable
LanguageEnglish
Part of speechAdjective
IPA/ɪmˈpɛkəbəl/
Letters10
Frequency rank#20,960
Misspellings tracked14
Confusable pairs2
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “impeccable”

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).impeccablelands here:

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

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Same rarity band neighbours include “immersive” (#20,959), “inbound” (#20,961), “ICU” (#20,958). Among 2,140 “I” headwords, “impeccable” is #20,960. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 14 spelling variants around impeccable (IPA /ɪmˈpɛkəbəl/), anadjective. Corpus frequency is #20,960 among 2,140 “I” headwords. Wiktionary lists 2 senses, so context still picks the gloss.

Our generated misspelling index lists 14 likely wrong-spelling variants for impeccable, with forms such as "imepccable", "immpeccable", and "impcecable". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 2 confusable-pair relationships, "impeccably", "implacable", since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: From Middle French impeccable, from Latin impeccabilis (“not liable to sin”), from im- (“not”) + peccare (“to err, to sin”). The correct English form is impeccable, spelled I-M-P-E-C-C-A-B-L-E.

Definition

  1. 1
    Perfect, without faults, flaws or errors
  2. 2
    Incapable of wrongdoing or sin; immaculate

Recorded use

Wiktionary examples

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

  1. He grew up in Norway, but he writes impeccable English.
  2. The only impeccable writers are those who never wrote.

Etymology

From Middle French impeccable, from Latin impeccabilis (“not liable to sin”), from im- (“not”) + peccare (“to err, to sin”).

Synonyms

flawless

This word in other languages

impecable(Español)impeccable(Français)makellos(Deutsch)impecável(Português)

Common misspellings

Also misspelled as:

  • imepccable
  • immpeccable
  • impcecable
  • impecable
  • impecacble
  • impeccabble
  • impeccabel
  • impeccablle
  • impeccalbe
  • impeccbale
  • impeccible
  • imppeccable
  • ipmeccable
  • mipeccable

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of impeccable - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.

imepccable2immpeccable1impcecable2impecable1impecacble2impeccabble1impeccabel2impeccablle1
Edit distance from "impeccable"

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 "impeccable"?
"impeccable" is spelled I-M-P-E-C-C-A-B-L-E. The IPA pronunciation is /ɪmˈpɛkəbəl/.
What does "impeccable" mean?
As an adjective, "impeccable" means: Perfect, without faults, flaws or errors
What words are commonly confused with "impeccable"?
"impeccable" is commonly confused with "impeccably", "implacable". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "impeccable"?
The IPA (International Phonetic Alphabet) transcription for "impeccable" is /ɪmˈpɛkəbəl/. 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 "impeccable"?
From Middle French impeccable, from Latin impeccabilis (“not liable to sin”), from im- (“not”) + peccare (“to err, to sin”). 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 "impeccable", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 10 letters (nearest by frequency rank).

infiltrate#20,964inflatable#20,965intolerant#20,970headmaster#20,947

Similar misspelling depth

Headwords with a similar count of attested misspellings (14 here; floor ≥5).

inference14 variantsheartland14 variantsHawthorne14 variantsGuantanamo14 variants

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

Source: FrequencyWords open word-frequency list