- defect, fault, flaw - an imperfection in a device or machine; "if there are any defects you should send it back to the manufacturer"
--1 is a kind of imperfection, imperfectness
--1 has particulars: bug, glitch; holeDerived form: verb flaw1 - flaw - defect or weakness in a person's character; "he had his flaws, but he was great nonetheless"
--2 is a kind of failing, weakness
--2 has particulars: tragic flaw, hamartiaDerived form: verb flaw1