permissive

permissive
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。
    ■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。
    ■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
permissively
adverb
permissiveness
noun
语源
  1. late 15th cent. (in the sense 'tolerated, allowed'): from Old French, or from medieval Latin permissivus, from permiss- 'allowed', from the verb permittere (see permit)
英语宝典
考试词汇表