- present participle of crack.
cracking
Americannoun
adverb
adjective
idioms
adjective
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informal (prenominal) fast; vigorous (esp in the phrase a cracking pace )
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informal to start doing something quickly or do something with increased speed
adverb
noun
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The process of breaking down complex chemical compounds by heating them. Sometimes a catalyst is added to lower the amount of heat needed for the reaction. Cracking is used especially for breaking petroleum molecules into shorter molecules and to extract low-boiling fractions, such as gasoline, from petroleum.
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See also hydrocracking
Other Word Forms
Noun Inflected Forms
Etymology
Origin of cracking
First recorded in 1250–1300; Middle English; see crack, -ing 1, -ing 2
Vocabulary lists containing cracking
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.
Minetree has "cracking comic timing", the Independent said, but appeared to be "hemmed in by the Reese Witherspoon impression she's presumably been told to do".
From BBC • Jun. 30, 2026
Compared with conventional asphalt, PMA is more flexible and better able to resist cracking, rutting, and water damage, making it well suited to Hawaii's tropical climate.
From Science Daily • Jun. 28, 2026
In reality, the structure is likely intended to keep more tourists from taking pictures and cracking jokes about the peeling paint.
From Salon • Jun. 24, 2026
They want to rebuild a concrete pier shut down this month after officials deemed it unsafe because of cracking from decades of pounding surf and storms.
From Los Angeles Times • Jun. 16, 2026
Mama was humming a song, and the tune was cracking my skull open like a nut.
From "Root Magic" by Eden Royce
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.