- Add (conditions)
- Add-on
- Appropriate, without permission from man next door
- Attach
- Attach (to)
- Extension
- Join
- Add-on building
- Building addition
- Extension
- Extension to a building
- Heard a former lover in the side building
- New wing built for a former partner, apparently
- Side building
- A calculated operation
- Besides, in ... to
- House extension
- Maths operation
- The act of adding two or more things together; -- opposed
to subtraction or diminution.
- Anything added; increase; augmentation; as, a piazza is
an addition to a building.
- That part of arithmetic which treats of adding numbers.