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Synonyms

sky-high

American  
[skahy-hahy] / ˈskaɪˈhaɪ /

adverb

  1. very high.

    Costs have gone sky-high since the war.


sky-high British  

adjective

  1. at or to an unprecedented or excessive level

    prices rocketed sky-high

"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

adverb

  1. high into the air

  2. 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

Etymology

Origin of sky-high

First recorded in 1810–20

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Truckers are struggling with sky-high diesel prices and higher aviation fuel prices have lifted airfares and even led to the closure of Spirit Airlines.

From Los Angeles Times • May 8, 2026

To be sure, expectations are sky-high, and volatility will increase.

From Barron's • May 1, 2026

Airlines struggling with sky-high fuel prices and even shortages will have little choice but to cut more flights.

From The Wall Street Journal • Apr. 29, 2026

The newly inaugurated Lyndon Johnson had sky-high support after John F. Kennedy’s assassination, political cover that arguably helped Johnson muscle civil rights legislation through Congress and escalate the Vietnam War.

From Slate • Apr. 26, 2026

And we knew that when an idea was quietly everywhere, had been whispered far and wide, all that was needed was the right person to blow it sky-high.

From "Out of Darkness" by Ashley Hope Pérez