Definition of permissible adjective from the Oxford Advanced Learner's Dictionary



BrE BrE//pəˈmɪsəbl//
; NAmE NAmE//pərˈmɪsəbl//
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acceptable according to the law or a particular set of rules permissible levels of nitrates in water permissible (for somebody) (to do something) It is not permissible for employers to discriminate on grounds of age. Word Originlate Middle English: from medieval Latin permissibilis, from permiss- ‘allowed’, from the verb permittere, from per- ‘through’ + mittere ‘send, let go’.
See the Oxford Advanced American Dictionary entry: permissible