plush
adj.adj. very soft, comfortable, and expensive-looking. You use this to describe things like thick carpets or fancy hotel furniture.
adj. characterised by luxuriousness, softness, and expensive quality. Often describes fabrics with a long pile or high-end interior furnishings.
The hotel lobby has plush velvet chairs.
After a long day of hiking, sinking into the plush mattress of the mountain resort felt like heaven.
The theatre underwent a multi-million dollar renovation, replacing the worn wooden benches with plush crimson seating and heavy acoustic drapes to improve the audience experience.
From French peluche (“fluff, plush”). The fact that historically (in past centuries) plush upholstery was so expensive as to be socially exclusive undoubtedly connects the senses of "luxurious" and "soft".
Typically used as an attributive adjective before a noun; can also follow linking verbs like 'feel' or 'look'.