Curb or kerb?
curb is a noun meaning “A concrete margin along the edge of a road; a kerb (UK, Australia, New Zealand)”; kerb is a noun meaning “Alternative spelling of curb”. Wiktionary gives them as spellings of the same word. They sound the same (/kɝb/). In written English (wordfreq, 2021 data) curb is about 15 times as common as kerb.
What is the difference between curb and kerb?
| curb | kerb | |
|---|---|---|
| Part of speech | noun, verb | noun, verb |
| Meaning | USA concrete margin along the edge of a road; a kerb (UK, Australia, New Zealand) USA raised margin along the edge of something, such as a well or the eye of a dome, as a strengthening USTo check, restrain or control | UKTo damage vehicle wheels or tyres by running into or over a pavement kerb To take a dog to the kerb for the purpose of evacuating their bowels |
| Example | Curb your dog | none recorded |
| Forms | curbs | kerbs |
| Pronunciation | /kɝb/ /kɜːb/ | /kɝb/ /kɜːb/ |
| In writing | 6.2 times per million words | about once in every 2 million words |
Sources: curb and kerb in the English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0); written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
Every current meaning of curb and kerb
curb
- 1
USA concrete margin along the edge of a road; a kerb (UK, Australia, New Zealand)
- 2
USTo check, restrain or control
Curb your dog
- 3
USA raised margin along the edge of something, such as a well or the eye of a dome, as a strengthening
- 4
USTo rein in
- 5
USSomething that checks or restrains; a restraint
- 6
USTo furnish (a well etc.) with a curb; to restrain (a bank of earth, etc.) by a curb
- 7
USA riding or driving bit for a horse that has rein action which amplifies the pressure in the mouth by leverage advantage placing pressure on the poll by means of the crown piece of the bridle and…
- 8
USslangEllipsis of curb stomp
kerb
- 1
UKAlternative spelling of curb
- 2
UKTo damage vehicle wheels or tyres by running into or over a pavement kerb
- 3
To take a dog to the kerb for the purpose of evacuating their bowels
Source: the English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0); obsolete, archaic, dialect and rare senses left out.
Which is more common, curb or kerb?
curb appears 6.2 times per million words; kerb about once in every 2 million words.
curb 6.2 times per million wordskerb about once in every 2 million words
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How many people search curb vs kerb?
“curb vs kerb” is searched about 140 times a month on Google and 20 on Bing in the United States. Google counts close variants of a query together (“kerb vs curb”, “curb or kerb”).
Sources: Google Ads keyword data through DataForSEO and Microsoft Advertising keyword data through DataForSEO, the average month from September 2025 to August 2026.