not tenured; (of a position) not guaranteeing tenure; (of an employee) not guaranteed tenure
untenured in American English
(unˈtenjərd)
adjective
1.
unheld, as property or a position
2.
lacking tenure, as a college instructor
3.
not offering or leading to tenure, as some college teaching positions
Word origin
[un-1 + tenured]un- is a prefix meaning “not,” freely used as an English formative, giving negative oropposite force in adjectives and their derivative adverbs and nouns (unfair; unfairly; unfairness; unfelt; unseen; unfitting; unformed; unheard-of; un-get-at-able), and less freely used in certain other nouns (unrest; unemployment)