The phrase "all faultless" is correct and usable in written English.
It can be used to describe something that is completely without faults or errors.
Example: "The report was meticulously prepared, and the final version was all faultless, impressing the entire committee."
Alternatives: "entirely flawless" or "completely perfect".
The tiny machine contains perfect ports of classic games such as The Legend of Zelda, Bubble Bobble, Excitebike, and Super Mario Bros 3, all faultless recreations of their original cartridge releases.
"Bawden's acting, her comic timing, singing, dancing and stage presence were all faultless and earned her - and her more famous main man - a joyous standing ovation on a buzzy, exciting night at the Crucible," he wrote.
This it does through a faultless all-wheel-drive powertrain that uses a viscous-coupling locking center differential to divide the engine's power evenly between the front and rear axles.
It is above all the faultless workmanship, so typically Chinese, and the fine polish of Chinese furniture that attracts the Westerner.
Blyth Tate of New Zealand, the reigning world and Olympic champion, rode Welton Envoy to a faultless round over all 16 fences on the stadium jumping course to win the Rolex-Kentucky Horse Triats yestheday at the Kentucky Horse Park in Lexington.
In addition Sarries skipper, and former Bath man, Steve Borthwick marshalled a faultless line-out display that was all the more impressive given the conditions.
Hamilton's performance was felt to have been faultless and all the more impressive due to four separate deployments of the Safety Car.
Drawing on all his experience, he put in a faultless round.
Matt Banahan also crossed for the home side, with fly-half Tom Heathcote converting all three tries and adding five penalties in a faultless display.
The food that issues from the postage-stamp-sized kitchen is all pretty much faultless: not a beat is missed.
At the end of Lap 31, Hamilton — nearly faultless all season — slid off into a gravel trap at the top of the pit lane.
