Epidemic(noun)
A widespread occurrence of an infectious disease in a community at a particular time.
Hindi meaning:महामारी, संक्रामक रोग
Synonyms: Plague, Pandemic, Outbreak, Widespread
Antonyms: Endemic, Limited, Restricted, Local
Example: Since childhood obesity affects millions of children in many countries, it is considered to be an epidemic.
Trick to remember: Endemic aur epidemic dono alag hai. 
