rus: на определенный срок

Information
has URI	http://lexvo.org/id/term/rus/%D0%BD%D0%B0%20%D0%BE%D0%BF%D1%80%D0%B5%D0%B4%D0%B5%D0%BB%D0%B5%D0%BD%D0%BD%D1%8B%D0%B9%20%D1%81%D1%80%D0%BE%D0%BA

Meaning
means	(adjective) lacking continuity or regularity; "an irregular worker"; "employed on a temporary basis" temporary, irregular