noun · verb · 4 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
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
General-American:/ˈnɑkɪŋ/
Received-Pronunciation:/ˈnɒkɪŋ/
US:Recorded audio is listed in the source snapshot.
rhymes with -ɒkɪŋ
CMU ARPABET:N AA1 K IH0 NG
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
An act in which something is knocked on, or the sound thus produced
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
A repetitive ping, knock, or similar sound coming from an engine in which there are repeated uncontrolled explosions in the combustion chamber.
Definition source: English Wiktionary via Wiktextract
Topics: automotive, transport, vehicles
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
verb
Meaning 3
present participle and gerund of knock
Definition source: English Wiktionary via Wiktextract
Usage: form-of, gerund, participle, present
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
noun
Meaning 4
the sound of knocking (as on a door or in an engine or bearing)
Definition source: Princeton WordNet 3.0
Examples
the knocking grew louder
Meaning relationships
Synonyms: knock
Antonyms: none provided
Broader terms: sound
History
Etymology
No etymology was provided for this word.
Across languages
Translations
1 source translations are retained for this English entry.
Esperanto:
frapado
— act in which something is knocked on