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']
(..) ...you know. a man gets awfully lonesome at night. You understand what l mean. don't you? You understand? l'm sure you understand. l want that woman oII this ward. immediately. Yes. ma'am. Yes. ma'am. -Jesus! -Mr. Turkle. is she gone? Shit! Yes. she's gone. and so am l... (..)1975 One Flew Over the Cuckoo's Nest
(..) lt's the great Mickey Mantle. now! Here comes the pitch! Mantle swings! lt's a tucking home run! Gentlemen, stop this. Stop this immediately. Do you like it here? That tucking nurse. man! What do you mean. sir? She ain't honest. Miss Ratched's one ot the tinest nurses (..)1975 One Flew Over the Cuckoo's Nest