faultless
US /ˈfɑːlt.ləs/
UK /ˈfɑːlt.ləs/

1.
kusursuz, hatasız, mükemmel
without fault or defect; perfect
:
•
Her performance was absolutely faultless.
Performansı kesinlikle kusursuzdu.
•
The craftsmanship of the antique vase was faultless.
Antik vazonun işçiliği kusursuzdu.