[adv] to a very high level; "prices have gone sky-high"; "garbage was piled sky-high"; "the men were flung sky-high by the explosion"
[adv] in a lavish or enthusiastic manner; "he extolled her virtues sky-high"
[adv] (with verb"to blow") destroyed completely; blown apart or to pieces; "they blew the bridge sky-high"; "the committee blew the thesis sky-high"