noun · verb · 10 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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General-American:/ˈd͡ʒækˌhæmɚ/
US:Recorded audio is listed in the source snapshot.
CMU ARPABET:JH AE1 K HH AE2 M ER0
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
A portable percussive power tool that combines a hammer and chisel used to drill or break hard matter, for instance rock or concrete.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: pneumatic drill
Antonyms: none provided
2
noun
Meaning 2
Something that is very strong but also very rigid.
Definition source: English Wiktionary via Wiktextract
Usage: figuratively
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
verb
Meaning 3
To use a jackhammer.
Definition source: English Wiktionary via Wiktextract
Usage: intransitive
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
verb
Meaning 4
To break (something) using a jackhammer.
Definition source: English Wiktionary via Wiktextract
Usage: transitive
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
5
verb
Meaning 5
To form (something) using a jackhammer.
Definition source: English Wiktionary via Wiktextract
Usage: transitive
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
6
verb
Meaning 6
To move like a jackhammer.
Definition source: English Wiktionary via Wiktextract
Usage: figuratively, intransitive
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
7
verb
Meaning 7
To move like a jackhammer.
To beat hard, to pound. (of the heart or pulse)
Definition source: English Wiktionary via Wiktextract
Usage: figuratively, intransitive
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
8
verb
Meaning 8
To move (something) like a jackhammer.
Definition source: English Wiktionary via Wiktextract
Usage: figuratively, transitive
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
9
verb
Meaning 9
To strike (something) repeatedly with force, to pound.
Definition source: English Wiktionary via Wiktextract
Usage: figuratively, transitive
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
10
noun
Meaning 10
a hammer driven by compressed air
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: air hammer, pneumatic hammer
Antonyms: none provided
Broader terms: hammer, power hammer
History
Etymology
From jack + hammer.
Across languages
Translations
49 source translations are retained for this English entry.
