defective
- adj. 有缺陷的, 有故障的
- Definition
- adj. having a fault so that something does not work properly
- Example
- The store replaced the defective toaster because it stopped working.
- 商店把有故障的烤面包机换掉了，因为它坏了。
Synonyms & Differences 近义词辨析
Compared meaning: not working correctly, faulty (adjective).
比较义项：出故障，不能正常运转（形容词）。
- wrong
Informal and general; typically predicative, used in the pattern 'something/what's wrong with X' to say a thing isn't working, without naming a cause; not usually placed directly before a noun in this sense.
较为口语、笼统，多作表语，常用“something/what's wrong with X”这样的句式表示某物出了故障，但不说明具体原因；在此义项下通常不直接放在名词前作定语。
The mechanic said something was wrong with the brakes.
机械师说刹车出了些故障。
- defective 本词
More formal and technical; describes a manufactured item with an inherent flaw, often used in product, warranty, or recall contexts; naturally placed directly before a noun, unlike 'wrong' in this sense.
更正式、专业，指制造出的产品本身存在固有缺陷或故障，常用于产品、保修或召回等场景；可以自然地直接放在名词前作定语，这一点与此义项下的wrong不同。
The manufacturer recalled all the defective batteries due to overheating.
由于电池过热，制造商召回了所有有缺陷的电池。
Wrong and defective both describe a machine not working. Wrong is informal, used in the pattern something is wrong with it. Defective is more formal, meaning a product has a manufacturing flaw, common in warranty contexts. Wrong can mean incorrect; that meaning is not compared.
wrong和defective在描述机器、设备出故障时意思相近，但wrong更口语、笼统，常见于“something/what's wrong with...”这样的句式，泛指各种失常情况而不说明原因；defective更正式、专业，多指产品本身存在制造上的缺陷，常见于商品、保修或召回场景。这里不比较wrong表示“错误的、不正确的”（如wrong address）或“不道德的”等其他义项。