once two weeks

USAGE SUMMARY

The phrase "once two weeks" is grammatically incorrect and should be written as "once every two weeks." This phrase means that something happens or is done every two weeks. Example: Our team meetings are held once every two weeks.

⚠ May contain grammatical issues

Science

News & Media

Wiki

Human-verified examples from authoritative sources

Exact Expressions

4 human-written examples

The P and K were applied once two weeks after planting while the N was split applied.

Energy Procedia

I have been travelling for six months and have only been on the game once, two weeks ago.

The Guardian

Aβ1 42 was injected only once two weeks before testing, while T and the androgen receptor (AR) antagonist flutamide (F) were administered daily beginning 2 days before and throughout the 6 days of testing.

Hormones and Behavior

"Once, two weeks into working on a film I appeared in, somebody turned to the cinematographer and said, 'You better rent a tuxedo, buddy.' Meaning, he was going to the Oscars.

The New York Times

Human-verified similar examples from authoritative sources

Similar Expressions

56 human-written examples

To find out, I went to see two shows twice – once during previewsand once three weeks later.

The Guardian

For validation, blood samples had been taken three times prior and once four weeks after the vaccination [36].

Brain Informatics

Professional nurse auditors were deployed once to obtain data before the intervention and once six weeks after the intervention.

BMC Health Services Research

With subscriptions, users can place a particular order on repeat for once a week, once every two weeks, once every three weeks, or once a month.

TechCrunch

Once a week, once every two weeks, or once every three weeks is the minimum.

WikiHow

I went once a week, then once every two weeks, then once a month.

The New Yorker

Start by doing this once a month, then once every two weeks, then once a week.

Huffington Post

Expert writing Tips

Best practice

Use "once every two weeks" or "bi-weekly" for clarity. This avoids grammatical errors and ensures your meaning is accurately conveyed to the reader.

Common error

Don't use "once two weeks". Always insert "every" to complete the phrase: use "once every two weeks" instead, or choose the single word alternatives like "bi-weekly" or "fortnightly".

Linguistic Context

The phrase "once two weeks" is intended to function as an adverbial phrase specifying the frequency of an event. However, it is grammatically incorrect. Correct alternatives such as "once every two weeks" are used instead.

Expression frequency: Rare

Frequent in

News & Media

38%

Science

38%

Wiki

24%

Less common in

Academia

0%

Formal & Business

0%

Encyclopedias

0%

Ludwig's WRAP-UP

In summary, the phrase "once two weeks" is grammatically incorrect and should be avoided in formal writing. Ludwig AI analysis indicates that the corrected form, "once every two weeks", or alternatives like "bi-weekly" or "fortnightly", should be used instead to accurately convey the intended meaning of something occurring every two weeks. While examples exist across various contexts like news, science, and wikis, awareness of the grammatical error is crucial for effective communication.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

every other week

Replaces "once" with "every", emphasizing the bi-weekly occurrence.

bi-weekly

A single word denoting occurrence every two weeks, more concise.

fortnightly

Synonymous with bi-weekly, common in British English.

once every fortnight

More formal and slightly longer version of bi-weekly or fortnightly.

every fourteen days

More literal description of the frequency.

every second week

Emphasizes the skipping of a week.

at intervals of two weeks

Highlights the regular spacing between occurrences.

on a bi-weekly basis

Formal way to say something occurs bi-weekly

semi-monthly

Occurring twice a month, may not always align with every two weeks precisely.

twice per month

Emphasizes the monthly count rather than the bi-weekly spacing.

FAQs

How can I correctly express the meaning of "once two weeks"?

The grammatically correct ways to express this idea are "once every two weeks", "bi-weekly", or "fortnightly".

Is "once two weeks" grammatically correct?

No, "once two weeks" is grammatically incorrect. The correct phrasing is "once every two weeks".

What does "once every two weeks" mean?

It means something happens one time during a period of two weeks, or happens every two weeks.

What is a synonym for "once every two weeks"?

Synonyms include "bi-weekly" and "fortnightly".