Bi-weekly or biweekly?
bi-weekly is an adjective meaning “Alternative form of biweekly”; biweekly is an adjective meaning “Occurring once every two weeks; fortnightly”. bi-weekly is written with a hyphen and biweekly as one word; they are used differently.
What is the difference between bi-weekly and biweekly?
| bi-weekly | biweekly | |
|---|---|---|
| Part of speech | adjective, adverb | adjective, adverb, noun |
| Meaning | Alternative form of biweekly | Occurring once every two weeks; fortnightly Occurring twice a week Every two weeks |
| Example | none recorded | The local paper is a biweekly |
| Pronunciation | not recorded | /baɪˈwiːkli/ |
| In writing | not counted (the list counts single words) | about once in every 2 million words |
Sources: bi-weekly and biweekly 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 bi-weekly and biweekly
bi-weekly
- 1
Alternative form of biweekly
- 2
Alternative form of biweekly
biweekly
- 1
Occurring once every two weeks; fortnightly
- 2
Every two weeks
- 3
Something that is published or released once every two weeks
The local paper is a biweekly
- 4
Occurring twice a week
- 5
Twice a week (but see the Usage notes)
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, bi-weekly or biweekly?
bi-weekly is a phrase, which the list of single words does not count; biweekly 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 bi-weekly vs biweekly?
“bi-weekly vs biweekly” is searched about 10 times a month on Bing (Google reports it together with close variants, so it has no figure of its own) in the United States.
Sources: Google Ads keyword data through DataForSEO and Microsoft Advertising keyword data through DataForSEO, the average month from September 2025 to August 2026.