"Sever" Natural Recordings by Native Speakers
adverb: to a great or severe degree
The patient has been suffering from a severe headache for several days.
noun: a part of the body that is separated from the rest
The doctor couldn't find anything wrong with his severed finger.
verb: to cut or divide something, especially in two, completely
The tree was severely damaged and had to be severed from the trunk.
The word "sever" can also be related to "severe", which means very bad or unpleasant.
an unpleasant or extreme degree or amount
The storm brought severe flooding to the area.