sky-high

From sky +‎ high.

sky-high (not comparable)

1. extremely tall

   a sky-high building

   • 2018, Tsitsi Dangarembga, This Mournable Body, Faber & Faber (2020), page 20:

     She is elegant on sky-high heels in spite of the rubble and the cracks in the paving.

2. excessive, exorbitant

   The fees were sky-high, so I refused to pay.

   Superinflation blew prices sky-high.

   • 2023 July 12, Paul Clifton, “Network News: Saved: Trust protects Adrian Shooter's legacy”, in RAIL, number 987, page 28:

     They had to bid against a private buyer, which pushed the price sky high.