Cossu: Rich, opulent, luxurious, well-off, etc.
As seen in: « Un triple meurtre qui a toutes les allures d’un drame familial a fortement secoué un quartier paisible et cossu du secteur Aylmer, jeudi après-midi. »
(Translation: “A triple murder with all the trappings of a family drama really shook up a peaceful, luxurious Aylmer neighbourhood Thursday afternoon.”)