noun · verb · 13 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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UK:/ˈbæk.wɒʃ/
US:/ˈbæk.wɑʃ/
Southern-England:Recorded audio is listed in the source snapshot.
rhymes with -ækwɒʃ
CMU ARPABET:B AE1 K W AA2 SH
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
A backward flow of water, as from oars, a propeller, breaking waves, etc.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Topics: nautical, transport
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
The similar flow of air from an aircraft engine.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
The result or consequence of an event; an aftermath.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
noun
Meaning 4
The saliva, spit or food particles that have flowed back into a drink after someone has drunk from it.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
5
noun
Meaning 5
The situation where economic growth in one area harms other areas by attracting people and business away from those areas.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Topics: economics, sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
6
noun
Meaning 6
An obscure place; a backwater.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
7
noun
Meaning 7
Synonym of washback.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Topics: education
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: washback
Antonyms: none provided
8
verb
Meaning 8
To operate a water filter in the reverse direction in order to clean it.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
9
verb
Meaning 9
To affect with backwash.
Definition source: English Wiktionary via Wiktextract
Usage: transitive
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
10
verb
Meaning 10
To clean the oil from wool after combing.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
11
noun
Meaning 11
the wave that spreads behind a boat as it moves forward
Definition source: Princeton WordNet 3.0
Examples
the motorboat's wake capsized the canoe
Meaning relationships
Synonyms: wake
Antonyms: none provided
Broader terms: wave, moving ridge
12
noun
Meaning 12
the consequences of an event (especially a catastrophic event)
Definition source: Princeton WordNet 3.0
Examples
the aftermath of war
in the wake of the accident no one knew how many had been injured