Synonyms and related words :
Acheronian, Acherontic, Cimmerian, Stygian, anarchic, angry, bad, blustering, blusterous, blustery, castellatus, chaotic, cirrose, cirrous, cloud-flecked, clouded, cloudy, cumuliform, cumulous, cyclonic, dark, dark and gloomy, dirty, dusty, feverish, fierce, fiery, foul, frantic, frenetic, frenzied, funereal, furious, gloomful, glooming, gloomy, heavy, hellish, hotheaded, howling, ill-lighted, ill-lit, impetuous, inclement, infuriate, insensate, lenticularis, lowering, mad, mammatus, mindless, murky, nasty, nebulous, nerve-racking, nimbose, nubilous, orgasmic, orgastic, overcast, overclouded, pandemoniac, passionate, raging, rainy, ravening, raving, rip-roaring, roaring, rough, simmering, somber, sombrous, squally, storming, stratiform, stratous, tempestuous, threatening, thunderheaded, tornadic, troublous, tumultuous, turbulent, typhonic, typhoonish, uproarious, vehement, violent, volcanic, wild