defective
英 [dɪ'fektɪv]
美[dɪ'fɛktɪv]
	    - adj. 有缺陷的;不完美的
 - n. 有缺陷的人;不完全变化词
 
英英释意
- 1. having a defect;
 - "I returned the appliance because it was defective"
 
- 2. markedly subnormal in structure or function or intelligence or behavior;
 - "defective speech"
 
- 3. not working properly;
 - "a bad telephone connection"
 - "a defective appliance"