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']
(..) I couldn't sleep knowing that just outside my bedroom was our living room, and just outside our living room was that hallway, and immediately adjacent to the hallway was... this. Do you realize that if Penny wakes up, there is no reasonable explanation as to why we're here. (..)2007 TvShow: The Big Bang Theory Title: The Big Bran Hypothesis Season: 1 Episode 2
(..) of feet per second per second. Superman swoops down to save her by reaching out two arms of steel. Miss Lane, who is now traveling at approximately miles an hour, hits them and is immediately sliced into three equal pieces. Unless Superman matches her speed and decelerates. In what space, sir? (..)2007 TvShow: The Big Bang Theory Title: The Big Bran Hypothesis Season: 1 Episode 2