Things that are plush are luxurious and a little over the top. A bedspread made of mink fur would be considered plush.
Plush originally referred to a rich, soft type of fabric, and it’s now used to describe anything extravagant. A plush lifestyle is one only the wealthy can afford, with expensive restaurants, obedient servants, and fancy furniture. A plush living room is full of paintings and decorations. Someone who dresses in a plush way only buys the finest, most expensive clothing. Plush living is lavish living.