illegitimate
adj
1 born of parents not married to each other; not legitimate by birth 非婚生的; 私生的
an ,illegitimate `child 私生儿
She´s illegitimate. 她是私生女.
2 not allowed by the law or by the rules 法律不容的; 规则不许可的; 非法的
illegitimate use of company property 对公司财产的盗用.
3 (of a conclusion in an argument, etc) not logical (指辩论等的结论)不合逻辑的, 不合理的.