longstanding Antonyms

shortlived short replaceable provisory provisionary nisi new mortal momentary momentaneous modish makeshift short-dated stand-by summary ad hoc make do young vicarial transverse transitive transitional terminable temporally temporality supplanter limited intermediate ephemera emergent current contingent conditional changeable brief breve alternate ad interim added ephemeral evanescent expedient intermediary interlocutory interim instantaneous improvised impermanent green fugitive