twice weekly

USAGE SUMMARY

'twice weekly' is correct and usable in written English.
You can use it to describe something that happens or is done two times in a week. For example: "The meeting will take place twice weekly on Tuesdays and Fridays."

✓ Grammatically correct

Science

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

(These workouts occur twice weekly).

The New York Times - Magazine

Tumor size was measured twice weekly.

Cancer Letters

Households were visited twice weekly until recovery.

The Journal of Pediatrics

Two identical studies were conducted, the first comparing Dragonhyde (5% solution, twice weekly) and formalin (5% solution, twice weekly) and the second comparing Dragonhyde (5% solution, twice weekly) and copper sulfate (10% solution, twice weekly).

Journal of Dairy Science

Blood samples were collected twice weekly during the peripubertal period.

Small Ruminant Research

The culture was then refreshed twice weekly.

Progress in Biomaterials

Canadian shipments are consolidated twice weekly.

University of Chicago

Art on Tuesdays, STEM Lab twice weekly, Movement Matters (Gym/PE) twice weekly, Spanish on Thursdays.

Duke University

Tumor growth and mouse body weight were assessed twice weekly.

Protein & Cell

Tumor size was measured twice weekly by a caliper.

EJNMMI Research

The litter (Toplitclassic, Safe, France) was replaced twice weekly.

Environmental Sciences Europe

Expert writing Tips

Best practice

Use "twice weekly" when you need to clearly specify that something occurs two times within a week, avoiding ambiguity that might arise from the term 'biweekly'.

Common error

Avoid using "biweekly" if you specifically mean "twice weekly" since "biweekly" can also mean every two weeks. Clarity is key; use "twice weekly" to remove all doubt.

Linguistic Context

The phrase "twice weekly" functions as an adverbial phrase, modifying verbs to indicate the frequency of an action. As Ludwig AI confirms, it's grammatically correct and commonly used. It specifies how often something happens within a week.

Expression frequency: Very common

Frequent in

Science

78%

News & Media

12%

Academia

7%

Less common in

Wiki

3%

Formal & Business

0%

Reference

0%

Ludwig's WRAP-UP

In summary, "twice weekly" is a grammatically sound and common adverbial phrase that clearly indicates a frequency of two times per week. Ludwig AI confirms its correctness and usability in written English. It is especially prevalent in scientific and academic writing, where precision is crucial. While similar to "biweekly", using "twice weekly" avoids potential ambiguity. Employ it whenever you need to specify that something occurs on two separate occasions within a seven-day period. The usage patterns show its strong presence in scientific literature and its use across other domains.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

biweekly

A single word meaning the same as "twice weekly".

two times a week

More verbose but conveys the same meaning.

semiweekly

Synonym for biweekly and "twice weekly".

on two days each week

Specifies that the action occurs on two distinct days.

two instances per week

More formal and emphasizes the number of occurrences.

on a semiweekly basis

Adds a formal tone to the frequency.

twice in a seven-day period

Specifies the timeframe more explicitly.

two sessions weekly

Emphasizes sessions happening twice in a week.

every three or four days

Indicates a similar frequency, though not as precise.

at an interval of 3 to 4 days

Focuses on the spacing between occurrences.

FAQs

How can I use "twice weekly" in a sentence?

You can use "twice weekly" to describe how often something occurs. For example, "Blood samples were collected twice weekly during the peripubertal period".

What is a synonym for "twice weekly"?

A direct synonym for "twice weekly" is "biweekly". However, be careful as "biweekly" can also mean every two weeks, so "twice weekly" is often clearer.

Is it better to say "twice a week" or "twice weekly"?

"Twice a week" and "twice weekly" are largely interchangeable, but "twice weekly" is often preferred in more formal or scientific writing for its conciseness.

What's the difference between "twice weekly" and "every other week"?

"Twice weekly" means something happens two times within a single week. "Every other week" means something happens once every two weeks.