Excessive mean exceeding more than normal or more than what is necessary.
Excessive is used when an amount is beyond "normal" or necessary. Excessive is usually used as a negative thing. Think like, "too much of a good thing" example: Drinking water is good, drinking excessive amounts of water can cause serious issues with the circulation of your blood and you can actually "drown" yourself.
Execssive means 'a lot' if you have an excess of stress, ten you have extra stress. It is basically, and amount of something, which id actually more than necessary
Excessive means you have more than what is needed