interim

1 intended to last, continue, or serve for a limited time putting up some students in local motels is obviously just an interim solution to the college's housing shortage Synonyms ad interim, impermanent, temporary, provisional, provisionary, provisory, short-termRelated Words acting; alternate, proxy, substitute; expedient, improvised, makeshift; intermediary, intermediate, transitional; ephemeral, fleeting, fugitive, short-lived, transitory; conditional, contingent, limited, qualified, short-range, tentative; replaceable, terminable, terminateNear Antonyms final, fixed, set, settled; unconditional, unlimited, unqualified; extended, lasting, long-range, standing; dateless, deathless, endless, enduring, eternal, everlasting, immortal, perpetual, timeless, undying, unendingAntonyms long-term, permanent

2 serving in a position for the time being will serve as interim head of the police department until the investigation is completed Synonyms ad interim, acting, provisional, provisionary, provisory, temporaryRelated Words alternate, backup, jackleg, make-do, makeshift, proxy, stopgap, substituteAntonyms long-term, permanent