1. the practice of preparing for and trying to survive a catastrophic disaster or emergency
2. a movement or ideology advocating self-sufficiency and preparation for societal collapse

Examples

• His interest in survivalism led him to stockpile food and water.
• The family practiced survivalism by learning wilderness skills.
• Survivalism has gained popularity during uncertain times.
• She studied survivalism techniques like water purification.
• The survivalism community shares tips on emergency preparedness.
• His survivalism philosophy emphasized self-reliance.
• The book explored modern survivalism and its origins.