She was killed 'instantly' when her car hit a tree.
His voice is 'instantly' recognizable.
They 'instantly' fell in love.
(..) To get his help on Buffalo Bill, sir? Well, if that was the case, then I just wish I was in on it, that's all. If I'd sent you in with an actual agenda, Lecter would have known it instantly. He would have toyed with you then turned to stone. Excuse me, Sheriff Perkins. These are the FBI people. (..)1991 The Silence of the Lambs