-
- To save this word, you'll need to log in.
defense mechanism
noun
1
: an often unconscious mental process (such as repression) that makes possible compromise solutions to personal problems
2
: a defensive reaction by an organism
Examples of defense mechanism in a Sentence
She is projecting her anger on you as a defense mechanism.
the cell's normal defense mechanisms against infection
Recent Examples on the Web
Tony Khan And The ‘Ethan Page Effect’ Khan’s decision to keep disgruntled talent under contract, while polarizing, is also a defense mechanism.
—Alfred Konuwa, Forbes, 18 Dec. 2024
Researchers are studying the natural defense mechanisms of Christmas trees — focusing on a popular variation called Fraser firs — in hopes of using genetics and molecular biology to help the trees acclimate to climate change and increase their chances of survival.
—Emily Mae Czachor, CBS News, 18 Dec. 2024
Proactive defense mechanisms will become the focus, with AI constantly learning and adjusting to new threats.
—Kevin Beasley, Forbes, 22 Nov. 2024
Orchestrated by malicious, highly skilled threat actors, Black Kite’s research further suggests that these attacks are increasingly aimed at smaller businesses (anual revenue less then $20 million) that often have fewer sophisticated defense mechanisms in place.
—Sandra Pretorius, Forbes, 1 Nov. 2024
See all Example Sentences for defense mechanism
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Word History
First Known Use
1909, in the meaning defined at sense 1
Time Traveler
The first known use of defense mechanism was
in 1909
Dictionary Entries Near defense mechanism
Cite this Entry
“Defense mechanism.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/defense%20mechanism. Accessed 27 Dec. 2024.
Medical Definition
defense mechanism
noun1
: an often unconscious mental process (as repression, projection, or sublimation) that makes possible compromise solutions to personal problems
2
: a defensive reaction by an organism
More from Merriam-Webster on defense mechanism
Britannica.com: Encyclopedia article about defense mechanism
Love words? Need even more definitions?
Merriam-Webster unabridged
Share