Comfy (adjective)

1. Comfortable; cozy; snug.
2. Providing comfort; comforting.
3. Feeling relaxed and at ease.

Origin:

The word comfy is a colloquial contraction of the word comfortable, it was first used in the early 20th century.

Examples:

1. The comfy bed was perfect for a good night's sleep.
2. The comfy chair was inviting and relaxing.
3. The comfy sweater was perfect for a chilly day.
4. I felt comfy and content in my new home.
5. The comfy atmosphere of the room made it a great place to read a book.