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 …

—The New York Times Style Magazine

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

• perfect
• ideal
• excellent
• immaculate
• superb

Examples of flawless in a Sentence

a flawless performance of the piano concerto

Recent Examples on the Web

Why Preference Learning Wins Humans are far better at choosing between options than at crafting flawless answers from scratch. —Ashutosh Synghal, Forbes.com, 6 Aug. 2025

Meg went straight to her and dropped a deep, flawless curtsy. —Jack Royston, MSNBC Newsweek, 31 July 2025

These softwares aren’t divine clocks, or flawless arbiters that float above human biases. —James Folta, Literary Hub, 22 July 2025

Meanwhile, champion Swiatek may have played two flawless sets of tennis, but the player was still anxious not to slip up in front of her royal company while Middleton handed her the trophy on Centre Court. —Isaac Bickerstaff, Glamour, 21 July 2025

Word History

First Known Use

1659, in the meaning defined at sense 2

Rhymes for flawless

• aulus
• lawless
• solace
• squalus