eventual Antonyms

at the time of commencement preparative prelusive prefatory postponed penultimate past last lagging lag jammed introductory interim instantaneous instant initiatory initial preparatory preventable prior first ever held up departing soon hung up godforsaken behind time last-ditch last minute prelim voidable vers ultimo ultima terminative sudden proemial inestimable inconclusive continuing consummative concluding completive commencing closing blown belated behindhand behind beginning backward