[ skahy-hahy ]
See synonyms for sky-high on
adverb, adjective
  1. very high: Costs have gone sky-high since the war.

Origin of sky-high

First recorded in 1810–20

Words Nearby sky-high Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use sky-high in a sentence

  • By this time all my American inventions, which would have paralysed Europe, are blown sky high!

    Mysterious Mr. Sabin | E. Phillips Oppenheim
  • To hear of Sardathion, the city built by the Gods of Old, is to see its domes of marble rising sky-high in the sunset-lighted air.

    Five Plays | Edward John Dunsany
  • There the price of lumber had been boosted sky-high, and this destroyed Dingles profits on contracts he had undertaken.

    The Boss of Wind River | David Goodger (
  • Had he not done so he and his brave comrades would have been blown sky-high by the touch of a button a mile away.

  • You can knock his insurance sky-high and get some money yourself.

    The Best Policy | Elliott Flower

British Dictionary definitions for sky-high


adjective, adverb
  1. at or to an unprecedented or excessive level: prices rocketed sky-high

  1. high into the air

  2. blow sky-high to destroy completely

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012