flaw 
/ˈflɑ:/ noun
plural flaws /ˈflɑ:/ noun [count] 1 : a small physical problem (such as a crack) that makes something less valuable : defect
▪ There was a flaw in the vase. ▪ He inspected the fabric for flaws. 2 : a small fault or weakness
▪ Several critics pointed out the flaws in the book's plot. ▪ Vanity was the one flaw in his character. ▪ There are a few flaws in your argument.
▪ There was a flaw in the vase. ▪ He inspected the fabric for flaws.
▪ Several critics pointed out the flaws in the book's plot. ▪ Vanity was the one flaw in his character. ▪ There are a few flaws in your argument.
— flaw·less /ˈflɑ:ləs/ adjective
▪ an attractive woman with flawless skin ▪ a flawless [=perfect] performance
/ˈflɑ:ləs/ adjective ▪ an attractive woman with flawless skin ▪ a flawless [=perfect] performance
— flaw·less·ly adverb
▪ She performed flawlessly.
▪ She performed flawlessly.
— flaw·less·ness noun [noncount]
