permissive
/pəˈmɪsɪv/adjective
1
- allowing or characterized by great or excessive freedom of behaviour宽容的, 放任的：
I was not a permissive parent
我不是一个放任孩子的家长
the permissive society of the 60s and 70s.
60和70年代的放纵社会。
2
- Law allowed but not obligatory; optional【律】允许而非强制的; 可选择的：
the Hague Convention was permissive, not mandatory.
海牙公约是可变通的, 不是强制性的。
2.1
- denoting a path available for public use by the landowner's consent, not as a legal right of way（道路）公众获准可使用的。
3
- Biology allowing a biological or biochemical process to occur【生】允许的, 许可的：
the mutants grow well at the permissive temperature.
那些突变体在许可温度下长势良好。
3.1
- allowing the infection and replication of viruses（病毒的感染和复制）可发生的, 可出现的。
派生词
permissively
adverbpermissiveness
noun词源
late 15th cent. （in the sense 'tolerated, allowed'）： from Old French, or from medieval Latin permissivus, from permiss- 'allowed', from the verb permittere （see PERMIT1）.