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']
(..) - Hey. Wanna make some money? - I like money. Hey, um, the, uh... the main screen is malfunctioning... and they gonna need you outside immediately. There's a bunch of whores in the hallway. Come on, Frito. Hurry. Can't believe (..)2006 Idiocracy
(..) Whoa. Did you just make that up? Yes, I did. Now look... I also need help finding this girl named Rita, like, immediately... - and Frito will give you a hand with it. - Why? Well, because, uh, you know, she'd be an essential... integral... asset... Utilize her! (..)2006 Idiocracy