faultless

American  

[fawlt-lis] / ˈfɔlt lɪs /

adjective

1. without fault, flaw, or defect; perfect.

   Synonyms:

   irreproachable, exemplary, impeccable, flawless

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faultless British  

/ ˈfɔːltlɪs /

adjective

1. without fault; perfect or blameless

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Other Word Forms

• faultlessness
  noun
• faultlessly
  adverb

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Etymology

Origin of faultless

First recorded in 1300–50, faultless is from the Middle English word fautles. See fault, -less

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Explanation

Anything that's faultless doesn't have a single flaw — it's perfect. It's surprising to learn that an actor is Welsh when she can speak with a faultless American accent. Faultless things have no faults or imperfections, like a comedian's faultless imitation of the president, which sounds identical to the real person. You can also use this adjective to describe someone who's not at fault, or can't be blamed: "I know someone ate the brownies, but I wasn't home and I'm utterly faultless." The fault part of faultless has a Latin root meaning "deceive or disappoint."

Example Sentences

See Examples For:

faultless

Once Egg is unmasked, we come to understand why he’s so drawn to this enormous man whose gentle spirit permeates Claffey’s faultless performance.

From Salon ● Feb. 23, 2026

He began the day five behind former world number one Rahm and fellow overnight leader Bryson DeChambeau, but reeled them in at Grange Golf Club with a faultless round.

From Barron's ● Feb. 15, 2026

Holloway’s character observations are faultless, but the resolution of the story isn’t fully satisfying.

From Los Angeles Times ● Nov. 18, 2025

His introduction to the Premier League has not been faultless.

From BBC ● Oct. 31, 2025

Perfect, faultless, in ruins, yes, but perfect, nevertheless.

From "The Martian Chronicles" by Ray Bradbury

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