flaw

1 of 3

noun (1)

1
a
: a defect in physical structure or form
a diamond with a flaw
b
: an imperfection or weakness and especially one that detracts from the whole or hinders effectiveness
vanity was the flaw in his character
a flaw in the book's plot
2
obsolete : fragment

flaw

2 of 3

verb

flawed; flawing; flaws

transitive verb

: to make flaws in : mar

intransitive verb

: to become defective

flaw

3 of 3

noun (2)

1
: a sudden brief burst of wind
the wind changed with flaws from westwardArchibald MacLeish
also : a spell of stormy weather
2
obsolete : an outburst especially of passion

Examples of flaw in a Sentence

Noun (1) noted the flaw in the diamond before I bought it Verb that crack has flawed the vase to the extent that its value in the antiques market is greatly reduced
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Verb
This challenges your thinking and awakens curiosity to understand why your assumptions might be flawed. Dr. Diane Hamilton, Forbes.com, 9 July 2025 Why experts say the million-dollar system is flawed Evolv Technologies was also under scrutiny recently. Rachel Wegner, The Tennessean, 2 July 2025
Noun
Read more Chevron Amazon Ubisoft Star Wars Outlaws $53 $28 (47% off) Amazon Star Wars Outlaws is a blast despite some flaws. Parker Hall, Wired News, 11 July 2025 What is the Google exploit all about The high-severity security flaw, identified as CVE-2025-6554, stems from a type confusion bug in Chrome's V8 JavaScript engine. Kurt Knutsson, FOXNews.com, 11 July 2025 See All Example Sentences for flaw

Word History

Etymology

Noun (1) and Verb

Middle English, flake, from Old Norse flaga stone slab, moldar flaga thin layer of turf; akin to Old English flōh flat stone

Noun (2)

of Scandinavian origin; akin to Norwegian flaga gust, squall

First Known Use

Noun (1)

1586, in the meaning defined at sense 1a

Verb

1610, in the meaning defined at transitive sense

Noun (2)

1513, in the meaning defined at sense 1

Time Traveler
The first known use of flaw was in 1513

Browse Nearby Words

Cite this Entry

“Flaw.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/flaw. Accessed 16 Jul. 2025.

Kids Definition

flaw

1 of 2 noun
: a small often hidden defect
flawless
-ləs
adjective
flawlessly adverb
flawlessness noun

flaw

2 of 2 verb
: to make or become defective

More from Merriam-Webster on flaw

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!