(a.) Impending; threatening.

about to be advancing already in sight approximate approximating approximative arm-in-arm arriving asymptotic at hand attracted to brewing burning centripetal centrolineal cheek-by-jowl close close at hand coming concurrent confluent confocal connivent converging desired destinal destined determined drawn to emergent entering eventual extrapolated fatal fated fatidic focal forthcoming future futuristic gathering going to happen hand-in-hand hereafter homeward homeward-bound hoped-for hot immediate imminent impendent impending in danger imminent in prospect in reserve in store in the cards in the offing in the wind in view inbound incoming instant intimate inward-bound later looming lowering lurking meeting menacing mutually approaching near near at hand near the mark nearing nearish nigh nighish on the horizon oncoming overhanging planned plotted predicted preparing probable projected prophesied propinque prospective proximal proximate radial radiating side-by-side tangent tangential that will be threatening to come to-be ultimate uniting upcoming vicinal waiting warm