"Believe me when I say that it was an extremely serious conversation."

"It is an extremely serious matter and something we take very seriously."

He told them that the situation looked to be "extremely serious."

"We are talking about something extremely serious that involves human life."

This, of course, is extremely serious business for people with disabilities.

Right away I knew this must be extremely serious because men just won't go to the doctor.

"This is an extremely serious matter and we are going to hold them responsible for his behavior."

Some of these people are in an extremely serious condition.

If this is the case it will be extremely serious.

"You've been brought before me on an extremely serious charge."