IPA: /ˈruːmi/
KK: /ˈrumi/
This word describes something that has a lot of space inside, making it comfortable and not cramped.
The new apartment is very roomy, allowing for plenty of furniture and decorations.
Roomy → It is formed from "room" (from Old English *rum*, meaning space or area) and the suffix "-y" (meaning characterized by). The word "roomy" describes a space that is characterized by having a lot of room or space.
Think of 'room' as a space and remember that 'roomy' means a place that has a lot of space.