Meaning of the word "additional fee" in English

What does "additional fee" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

additional fee

US /əˈdɪʃ.ən.əl fiː/
UK /əˈdɪʃ.ən.əl fiː/
"additional fee" picture

Noun

an extra amount of money that you have to pay for a service or product in addition to the basic cost

Example:
There is an additional fee for using the hotel's gym.
You can change your flight, but you may have to pay an additional fee.