- built so as to be an integral and permanent part of a larger construction: The wall has a built-in bookcase.
- existing as a natural or characteristic part of something; inherent: a built-in contempt for daydreaming.
- a built-in piece of furniture or appliance.
- an additional feature or capability, as of a machine or a service: a car with power steering, power brakes, and other built-ins.
- made or incorporated as an integral part
- essential; inherent
- a built-in cupboard or wardrobe
