untenured
adjective uk/ʌnˈten.jəd/ /ʌnˈtenjʊəd/ us/ʌnˈtenjɚd/
（大学教师）没有永久职位的
used to refer to a teacher in a college or university who does not have tenure (= the right to remain permanently in a job)
Her profile in the college is unusually high for an untenured assistant professor. 作为一个没有永久职位的助理教授，她在学院里表现很高调。