adj · adv · noun · verb · 12 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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/ˈkɹækɪŋ/
US:Recorded audio is listed in the source snapshot.
rhymes with -ækɪŋ
CMU ARPABET:K R AE1 K IH0 NG
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
adj
Meaning 1
That cracks; that produces a sharp sound as of something splitting or breaking.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
adj
Meaning 2
Great; excellent.
Definition source: English Wiktionary via Wiktextract
Usage: colloquial
Examples
Near-synonym: crackerjack
The race started at a cracking pace.
That's a cracking example of what we've been looking for.
Meaning relationships
Synonyms: crackerjack
Antonyms: none provided
3
adj
Meaning 3
Enjoyable.
Definition source: English Wiktionary via Wiktextract
Usage: colloquial
Examples
We had a cracking time.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
adv
Meaning 4
Very, usually associated with praise.
Definition source: English Wiktionary via Wiktextract
Usage: UK, not-comparable
Examples
It was a cracking good show.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
5
noun
Meaning 5
The thermal decomposition of a substance, especially that of crude petroleum in order to produce petrol / gasoline.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: fracture, crack
Antonyms: none provided
Broader terms: breakage, break, breaking
11
noun
Meaning 11
a sudden sharp noise
Definition source: Princeton WordNet 3.0
Examples
the crack of a whip
he heard the cracking of the ice
he can hear the snap of a twig
Meaning relationships
Synonyms: crack, snap
Antonyms: none provided
Broader terms: noise
12
noun
Meaning 12
the process whereby heavy molecules of naphtha or petroleum are broken down into hydrocarbons of lower molecular weight (especially in the oil-refining process)
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: chemical process, chemical change, chemical action
Narrower terms: hydrocracking
History
Etymology
Inherited from Middle English crakynge.
Across languages
Translations
25 source translations are retained for this English entry.