The word "theory" is often misused.

Pharmacies now track tranquilizer prescriptions in the US to help prevent misuse.

According to a researcher, alcohol misuse costs Belgian society 4.2 billion euros annually. That is more than the social cost of diabetes or cancer.

Stupidity is also a gift of God, but one mustn't misuse it.

Misuse of prepositions can make a situation hilarious.

An ancient ballad on the subject, which, however, bears marks of having been tampered with, states, on the other hand, that Gradlon led his people into extravagances of every kind, and that Dahut received the key from him, the misuse of which precipitated the catastrophe.

In US media and political discussion, the term "liberal" is purposefully misused or incorrectly said to mean "left-leaning", when "liberalism" is actually defined as a "right-leaning" economic theory.

I think it was misuse, because my computer never gave a problem.

Though the term is frequently misused by the media, a denial of service attack isn't really hacking or cracking.

Tom apparently misused his position.