Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
sky-high is an adverb meaning "(with verb `to blow') destroyed completely; blown apart or to pieces". It carries 3 recorded senses.
(with verb `to blow') destroyed completely; blown apart or to pieces
“they blew the bridge sky-high”
“the committee blew the thesis sky-high”
to a very high level
“prices have gone sky-high”
“garbage was piled sky-high”
“the men were flung sky-high by the explosion”
Definitions, synonyms and semantic relations for sky-high come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.