The cause of the problem was not 'immediately' clear. [=is was not known right away]
They live in the house 'immediately' [='directly'] behind this one.
We need to leave 'immediately'. [='at once', 'right away']
(..) Kowski? Kowski? Mr. Kowalski? Good morning. I looked over your paperwork and I think we should immediately start a full battery of tests I feel that this would be the best way to go about checking all the issues that you've had. Excuse me, what happened to Dr.Felmon, my (..)2008 Gran Torino