# flaw

/ˈfɫɔ/ (US) · /flˈɔː/ (UK)

Source: https://englishreference.com/word/flaw
Updated: 2026-06-20

## Senses

### 1. a defect or imperfection

noun · CEFR B2

a small mistake, mark, or weakness that stops something from being perfect.

For teachers: a defect, fault, or imperfection in a physical object or an abstract concept like a plan or character.

- The diamond was cheaper because it had a tiny flaw that you could only see with a lens.
- The legal team spent weeks searching for a flaw in the contract that would allow their client to withdraw without penalty.

### 2. a gust of wind

noun · CEFR C2 · Literary · Archaic

a sudden, short burst of wind or a brief storm.

For teachers: a sudden gust of wind or a brief, intense storm; often used in nautical or meteorological contexts.

- A sudden flaw of wind rattled the window frames and then vanished as quickly as it came.
- The small vessel struggled against a sudden flaw that swept across the bay, threatening to capsize the inexperienced crew.

## Examples

- The diamond is cheaper because it has a tiny flaw.
- The lawyer found a major flaw in the contract that allowed his client to leave the deal.
- Despite the architect's brilliant vision, a structural flaw in the foundation eventually led to the building's condemnation just a decade after its completion.

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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.