impeccable

/ɪmˈpekəbəl/ · im-PEK-uh-buladjective

Without fault or error; meeting an exceptionally high standard.

Use impeccable to express this relationship precisely: without fault or error; meeting an exceptionally high standard.

What impeccable Really Means

The word becomes easier to use when its closely related senses are separated and compared.

1

Core quality

Without fault or error; meeting an exceptionally high standard.

Example

The study's methodology was impeccable, though its sample was small.

2

Attributive or predicative use

Use this adjective before a suitable noun or after a linking verb such as be or seem.

Example

Her impeccable timing made the complex performance appear effortless.

3

Analytical distinction

Choose it when this exact descriptive quality matters; a related word may overlap without conveying the same trait.

Example

The archive maintained an impeccable record of every transfer.

Use impeccable Naturally

Notice how the surrounding noun or clause reveals the exact shade of meaning.

The study's methodology was impeccable, though its sample was small.

Her impeccable timing made the complex performance appear effortless.

The archive maintained an impeccable record of every transfer.

Precision Matters

Impeccable overlaps with several common words, but each carries a different emphasis.

impeccable

Means without fault or error; meeting an exceptionally high standard.

vs.
irreproachable

Means beyond criticism; faultless in conduct or quality.

impeccable

Means without fault or error; meeting an exceptionally high standard.

vs.
pristine

Means in an original, unspoiled, clean, or nearly perfect condition.

impeccable

Means without fault or error; meeting an exceptionally high standard.

vs.
scrupulous

Means extremely careful about details, accuracy, or ethical correctness.

impeccable

Means without fault or error; meeting an exceptionally high standard.

vs.
fastidious

Means extremely attentive to detail, accuracy, cleanliness, or correctness.

Test impeccable in Context

The documentation is presented as faultless and exceptionally accurate.

1

Reviewers found the edition's documentation ___: every quotation and date was verified.

Prepared byFirst Academy
Editorial responsibilityFirst Academy Academic Team
Updated3 August 2026
Selection and reviewRead our methodology