Simple past tense and past participle of lour.(verb)
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Use "loured" in a sentence
"The last person he addressed was Ballenkeiroch, who, remembering the death of his son, loured on him with a look of savage defiance."
"A projecting low-browed arch, which had loured over many an innocent, and many a guilty head, in similar circumstances, now spread its dark frowns over that of Nigel."
"The Countess, fatigued and discontented, received the politeness of the abbess with careless haughtiness, and had followed her, with indolent steps, to the parlour, over which the painted casements and wainscot of larch-wood threw, at all times, a melancholy shade, and where the gloom of evening now loured almost to darkness."