a sudden occurrence of something unwelcome, such as a disease or war

a sudden increase in the frequency of a phenomenon, especially a disease

किसी घटना का अचानक बढ़ना

English Usage: There was an outbreak of flu in the community last winter.

Hindi Usage: पिछले सर्दियों में समुदाय में फ्लू का अचानक होना था।

a destructive volcanic mudflow

a rapidly flowing mixture of volcanic ash and water

ज्वालामुखीय राख और पानी का तेजी से बहता मिश्रण

English Usage: The lahar created new landforms as it flowed into the river.

Hindi Usage: लहार ने नदी में बहते समय नए भूआकृतियाँ बनाई।