1. (p. pr. & vb. n.) of Threaten.

2. (a. & n.) from Threaten.

about to be abusive alarming already in sight apocalyptic approaching at hand bad baleful baneful black bludgeoning blustering bodeful boding brewing browbeating bulldozing bullying close close at hand coming comminatory critical dangerous dangersome dark denunciatory dire doomful dreary evil evil-starred explosive fateful fear-inspiring foreboding forthcoming fraught with danger future gathering gloomy going to happen hectoring ill ill-boding ill-fated ill-omened ill-starred immediate imminent impendent impending in danger imminent in prospect in reserve in store in the cards in the offing in the wind in view inauspicious instant intimidating jeopardous looming lowering lurking menacing minacious minatory near near at hand nearing of evil portent ominous on the horizon overhanging parlous periculous perilous portending portentous preparing serious sinister somber terroristic terrorizing that will be threatful to come ugly unfavorable unfortunate unlucky unpromising unpropitious untoward upcoming waiting