The adjective cozy describes being comfortable and warm, like when you feel cozy curled up on the couch under a soft blanket, in front of a roaring fire.

Is cozy a verb or noun?

​verb. US /ˈkoʊzi/ cozy adjective. cozy noun.

Is comfy a noun or an adjective?

adjective. com·​fy | \ ˈkəm(p)-fē \ comfier; comfiest.