Adverb (fukushi)
continuously; the whole time; all the way; throughout
ずーっと is emphatic
6時からずっと待っているのだが、僕の番がまだ来ない。I've been waiting since six o'clock and still my turn hasn't come. much (more); (by) far; far and away; a lot; a great deal
far (away); long (ago, before, after)
straight; directly
Also written ずーっと、ずうっと