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
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.
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 

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

noun
1
: 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

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