Definition of "overuse" []

• To use to excess. (verb-transitive)
• Excessive use. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "After receiving more than 360 complaints that long-term overuse of the popular denture cream Fixodent caused serious nerve damage, the"
• "The FDA has called the overuse of antibiotics in food animals "a serious public health threat," linking it to the emergence of super-scary superbugs like MRSA."
• "It's a metaphor too good not to overuse, which is why everything from insurance companies to arctic icebreakers have incorporated the word Sampo in their names."