Definition of survivalism noun from the Oxford Advanced Learner's Dictionary

 

survivalism

 noun
noun
BrE BrE//səˈvaɪvəlɪzəm//
 
; NAmE NAmE//sərˈvəlɪzəm//
 
[uncountable]
 
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the practice of preparing for a dangerous or unpleasant situation such as a war by learning how to survive outdoors, practising how to use weapons, storing food, etc.