Dictionary.com
Thesaurus.com

siege mentality

American  

noun

  1. a state of mind whereby one believes that one is being constantly attacked, oppressed, or isolated.


siege mentality British  

noun

  1. a state of mind in which a person believes that he or she is being constantly oppressed or attacked

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of siege mentality

First recorded in 1965–70

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The siege mentality of these gated communities exacted an immense human toll on employees, struggling for essentials like water or electricity.

From MarketWatch

And Stokes said his team will not be creating a siege mentality as extra motivation for winning back the urn.

From BBC

But maybe that's what this Scottish side needs – a siege mentality.

From BBC

He created a siege mentality which served Forest well and, despite both being big characters, it appeared a perfect match between him and Marinakis.

From BBC

The controversies surrounding Horner - the allegations; his volatile relationship with Verstappen's father Jos; questions about the driver's future; the drip-drip exodus of major figures - had led to something of a siege mentality at Red Bull.

From BBC