Glossary Term Emergency A sudden and usually unforeseen event that calls for immediate measures to minimize its adverse consequences. Term Info Source Reliefweb. (2008). Glossary of Humanitarian Terms. Related Glossary terms Disaster Conflict Education in Emergencies Education Response Chronic Emergencies Complex Emergencies Emergency Education Emergency Management Emergency Preparedness Emergency Services Environmental Emergency Slow-onset Emergency Sudden-onset Emergency Technological Emergency Violence Health Emergency Relief Response Protracted Crisis Have Questions? See our FAQs Page Contact Us