Extremum expetendi: a rather unusual phrase for the ethical finis.
Nullum magnum malum quod extremum est=--No evil is great which is the last.
Equidem ego is sum, qui servitutem extremum omnium malorum esse arbitror: I am he (saith Boterus) that account servitude the extremity of misery.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "extremum" in a variety of sentences. We hope that you will now be able to make sentences using this word.