A disease that spreads over a large area:

A. Academic

B. Epidemic

C. Incorrigible

D. Invincible

Answer: Option B

Solution(By Examveda Team)

The one word substitution is Epidemic.

Academic : relating to education and scholarship.
Incorrigible : not able to be changed or reformed.
Invincible : too powerful to be defeated or overcome.
Epidemic : a widespread occurrence of an infectious disease in a community at a particular time.