additional

adjective
UK /əˈdɪʃ.ən.əl/
US /əˈdɪʃ.ən.əl/

Extra or more than what you already have.

We need an additional chair for the guest.


OTHER MEANINGS

2. Added to complete or make up a deficiency.

The teacher gave us additional time to finish the test.

3. Something that is added on to something else.

There is an additional charge for delivery.

4. Not included in the original plan or amount.

We made additional copies of the report.