faultless
- s without fault or error
faultless logic
- Its family quartet--including Laura Linney as wife Joan, Jesse Eisenberg as 16-year-old Walt and Owen Kline as his 12-year-old brother Frank--is a fearless, faultless acting .
- But among surfers, the country is celebrated for its faultless point breaks and, when the winds pick up, some world-class tubes.
- For the first time in what had been a near faultless campaign to reach the White House, the candidate had stumbled badly.