flawless

adjective

flaw·​less ˈflȯ-ləs 

1

: having no flaw or imperfection : perfect

a flawless performance

flawless beauty

flawless diction

The decor is elegant, the service is flawless and the food is exquisite.

—Anthony Dias Blue

2

of a gemstone : free of defects : having no internal flaws

Some diamond experts dispute that a set diamond can be truly flawless, saying it can be only internally flawless …

—Jonathan S. Paul

flawlessly adverb

performed flawlessly

You know the moments: a computer that has worked flawlessly for as long as you can remember stubbornly refuses to boot one morning.

—Personal Computer

flawlessness noun

The trouble with having spectacular diamonds for the night was finding an ensemble worthy of such flawlessness.

—Plum Sykes

Synonyms of flawless

• perfect
• ideal
• excellent
• immaculate
• superb

Examples of flawless in a Sentence

a flawless performance of the piano concerto

Recent Examples on the Web

Lionel Messi — Argentina/Inter Miami (position unchanged) Gave us all another iconic moment with an impossibly flawless first touch and finish against Cape Verde to become the first man to score 20 World Cup goals. — Liam Twomey, New York Times, 4 July 2026

That's because the microgravity environment is great for growing flawless crystals, potentially enabling a newly efficient and effective production line for a wide range of pharmaceuticals and other high-value goods. — Mike Wall, Space.com, 3 July 2026

The convenience of having high-quality lenses fast and a flawless journey from browsing to owning is all part of the convenience that many online eyewear retailers offer today. — K.h. Koehler, USA Today, 2 July 2026

Because autonomous agents execute end-to-end business logic, deployment requires a flawless blend of operational domain expertise (business) and systemic oversight (IT). — Barney Krishnan, Forbes.com, 1 July 2026

Word History

First Known Use

1659, in the meaning defined at sense 2

Rhymes for flawless

• aulus
• lawless
• solace
• squalus