# impeccable

/ˌɪmˈpɛkəbəɫ/ (US) · /ɪmpˈɛkəbəl/ (UK)

Source: https://englishreference.com/word/impeccable
Updated: 2026-08-08

## Senses

### 1. perfect and without flaws

adjective · CEFR C1 · Formal

perfect in every way, with no mistakes or faults.

For teachers: of the highest standard; faultless and beyond criticism.

- The waiter provided impeccable service throughout our entire meal.
- The soloist delivered an impeccable performance, navigating the technical complexities of the concerto without a single audible error.

Usage: Usually placed before the noun it describes, such as 'impeccable taste' or 'impeccable timing'.

### 2. incapable of sinning

adjective · CEFR C2 · Formal · Technical

unable to do anything wrong or bad.

For teachers: incapable of sinning or wrongdoing; often used in theological or philosophical contexts.

- Some ancient philosophers believed that a true hero must be impeccable.
- The theological debate centered on whether the figure was merely sinless in practice or inherently impeccable by nature.

Teaching tip: This sense is rare in everyday conversation; learners will mostly encounter it in academic or religious texts.

## Examples

- She speaks English with impeccable grammar.
- The hotel's service was impeccable, with staff anticipating our every need before we even asked.
- The pianist delivered an impeccable performance, navigating the technical demands of the concerto with such ease that the audience remained spellbound until the final note.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.