The word "完美无缺" is formed by combining the two-character phrase "完美" (wánměi), meaning "perfect" or "flawless", with the phrase "无缺" (wúquē), meaning "without defect". Specifically, "完" contributes the sense of completeness, "美" adds the notion of beauty or excellence, "无" functions as a negator meaning "without", and "缺" provides the concept of a flaw or deficiency. This structure results in a compound idiom where both halves reinforce the same idea, emphasizing total perfection by stating that something is both impeccably complete and entirely lacking in faults.