comfortable and pleasant, especially (of a building) because of being small and warm
This room is nice and cosy in the winter.
The fireplace cast a warm glow, making the living room feel incredibly cosy on a chilly winter evening.
Wrapped in a soft blanket, she found the reading nook to be the cosiest spot in the entire house.
The small mountain cabin had a quaint and cosy atmosphere, perfect for a weekend getaway.
Despite the storm outside, the cafe remained cosy and inviting, with patrons sipping hot drinks by the window.