Question

what do you understand by seasonal unemployment

Answer 1

I think Seasonal unemployment refers to a mismatch between the jobs available and the skill levels of the unemployed.
It is also called structural unemployment.
Hope it help you.

Answer 2

An elevated level of unemployment that is expected to occur at certain parts of the year. For instance, amusement parks may experience seasonal unemployment during the winter months because less people will visit the parks during this time.