nebulously /ˈnɛb.jʊ.ləs.li/ adverb3 •In a manner like that of a cloud or haze.The vapour drifted nebulously into the hall. •Vaguely, without clear purpose or specific intention.He waved his hand nebulously in the direction he intended to go. •As if viewed through a cloud or haze. formsmore nebulously · most nebulously