The word bimonthly can be confusing because it has two possible meanings: twice a month or once every two months. Both meanings are accepted in English, so the correct interpretation depends on the context in which the word appears.
In this guide, you’ll learn what bimonthly means, how to use it in sentences, how it differs from semimonthly and biweekly, and how to avoid misunderstandings in everyday conversations, emails, and workplace schedules.
π What Does Bimonthly Mean?
Bimonthly is an adjective or adverb that describes something happening at regular intervals involving two months or two occurrences within a month. Its meaning can be interpreted in two ways:
- Twice a month: An event happens two times during each month.
- Every two months: An event happens once every two-month period.
For example, a bimonthly meeting might take place on the first and third Monday of every month. Alternatively, it could mean a meeting held in January, March, May, July, September, and November.
Because both interpretations are possible, readers and listeners may not always know which schedule someone intends. When timing matters, it’s best to explain the frequency directly.
π Bimonthly Meaning in Simple Words
In simple terms, bimonthly means either twice a month or every two months.
Imagine your manager tells you that the team has bimonthly meetings. You might wonder whether you need to attend two meetings each month or one meeting every other month.
Here are two simple examples:
- Twice a month: The team meets on the 5th and 20th of every month.
- Every two months: The team meets in January, March, May, July, September, and November.
Both schedules can be described as bimonthly. If you need to follow a specific schedule, ask the person who provided the information to clarify the intended meaning.
π‘ Examples of Bimonthly in Sentences
The meaning of bimonthly becomes easier to understand when you see how it appears in everyday English. These examples show both interpretations in personal, professional, and educational situations.
Bimonthly meaning twice a month
- Our bimonthly staff meetings take place on the 1st and 15th of every month.
- She receives bimonthly payments on two scheduled dates each month.
- The company publishes a bimonthly newsletter twice a month.
- We have bimonthly check-ins to discuss project progress.
- His bimonthly reports are submitted during the first and final weeks of each month.
Bimonthly meaning every two months
- The club organizes bimonthly events throughout the year.
- Our bimonthly magazine arrives every other month.
- The landlord schedules bimonthly property inspections.
- The committee holds bimonthly meetings in January, March, and May.
- She attends a bimonthly training session every two months.
Notice that the surrounding details often reveal the intended meaning. However, if the sentence doesn’t provide enough information, it’s better to clarify the schedule instead of guessing.
π Bimonthly vs. Semimonthly: What’s the Difference?
Bimonthly can mean twice a month or once every two months. Semimonthly, by contrast, means twice a month.
This distinction is particularly useful when discussing payroll, business reports, subscriptions, and recurring appointments.
| Word | Meaning | Example |
|---|---|---|
| Bimonthly | Twice a month or every two months | Bimonthly meetings |
| Semimonthly | Twice a month | Payday on the 15th and last day |
| Monthly | Once a month | A meeting on the first Monday |
| Every other month | Once every two months | A report issued in January and March |
For example, if your employer says you are paid semimonthly, you can generally expect two scheduled paydays per month. If the employer says you are paid bimonthly, ask for clarification because the word can be interpreted in either way.
Tip: Use semimonthly when you specifically mean twice a month, and every other month when you mean once every two months.
π Bimonthly vs. Biweekly
The word biweekly has a similar ambiguity. It can mean twice a week or once every two weeks, although the latter meaning is common in workplace scheduling.
Here’s how the terms compare:
| Term | Possible meaning |
|---|---|
| Bimonthly | Twice a month or every two months |
| Biweekly | Twice a week or every two weeks |
| Semimonthly | Twice a month |
| Semiweekly | Twice a week |
| Every other week | Once every two weeks |
| Every other month | Once every two months |
For example, a biweekly meeting might occur every other Tuesday, while a bimonthly meeting might occur every other month. However, neither term should be relied upon when an exact schedule is essential.
To avoid confusion, write every two weeks, twice a week, twice a month, or every two months, depending on what you mean.
πΌ What Does Bimonthly Mean at Work?
In a workplace, bimonthly usually describes a recurring activity, such as meetings, payroll communications, reports, training, or performance reviews.
However, the exact meaning may vary between organizations.
Bimonthly meetings: These may happen twice each month or once every two months. Check the calendar invitation for the dates.
Bimonthly reports: A company might request two reports per month or one report every other month. The reporting policy should specify the frequency.
Bimonthly payroll: This phrase can be especially confusing. Some people use it to mean twice-monthly pay, while others use it to mean payments every two months. Employers should state the actual pay dates clearly.
Bimonthly newsletters: A newsletter described this way could arrive twice a month or once every two months. The publication schedule should make the intended frequency clear.
In professional communication, precise wording is better than relying on an ambiguous term. For instance, writing βThe team meets on the first and third Wednesday of each monthβ is clearer than writing βThe team meets bimonthly.β
π£οΈ How to Use Bimonthly Correctly
Bimonthly can be used as an adjective before a noun or as an adverb describing how frequently an action occurs.
As an adjective
When used as an adjective, bimonthly describes a noun.
Examples:
- We receive a bimonthly magazine.
- The company conducts bimonthly reviews.
- She attends a bimonthly workshop.
- They prepare a bimonthly financial report.
As an adverb
Bimonthly can also describe how often an action happens.
Examples:
- The committee meets bimonthly.
- The newsletter is published bimonthly.
- The department reviews its progress bimonthly.
In each case, the word can still have either meaning. If the distinction matters, add the actual dates or interval.
β οΈ Common Mistakes When Using Bimonthly
Because bimonthly has two accepted meanings, the main mistake is assuming that everyone interprets it the same way.
Mistake 1: Assuming it always means twice a month.
Some readers interpret bimonthly as once every two months. Use twice a month when that is your intended meaning.
Mistake 2: Confusing bimonthly with semimonthly.
Semimonthly specifically means twice a month, while bimonthly is ambiguous.
Mistake 3: Using it for an important deadline without explaining the frequency.
If a report is due every two months, say so directly. This helps colleagues avoid missed deadlines.
Mistake 4: Assuming context always makes the meaning obvious.
Even familiar workplace terms can be interpreted differently. Confirm the schedule if the wording affects payments, appointments, or responsibilities.
π Synonyms and Alternatives for Bimonthly
The best alternative depends on which meaning you intend. There is no single replacement that works for both interpretations.
| If you mean⦠| Use this alternative |
|---|---|
| Twice a month | Twice monthly |
| Twice a month | Semimonthly |
| Once every two months | Every two months |
| Once every two months | Every other month |
| At regular monthly intervals | Monthly |
| At regular intervals of two weeks | Every two weeks |
For example, instead of writing βWe have bimonthly meetings,β you could write βWe have meetings twice a monthβ or βWe meet every two months.β
These alternatives are especially helpful in emails, workplace instructions, academic schedules, and financial documents.
β Frequently Asked Questions About Bimonthly
Does bimonthly mean twice a month or every two months?
It can mean either. Bimonthly is an ambiguous word that describes something happening twice a month or once every two months. The context determines the intended meaning.
Is bimonthly the same as semimonthly?
No. Semimonthly means twice a month, while bimonthly can mean twice a month or every two months.
What does a bimonthly meeting mean?
A bimonthly meeting may occur twice each month or once every two months. Check the meeting schedule or ask the organizer to confirm the intended frequency.
What does bimonthly pay mean?
Bimonthly pay can refer to payments twice a month or payments every two months. Since payroll schedules need to be precise, employers should specify the actual pay dates.
Is bimonthly one word?
Yes. Bimonthly is correctly written as one word, without a hyphen.
What is the difference between bimonthly and monthly?
Monthly means once a month. Bimonthly can mean twice a month or once every two months, depending on the context.
What is the opposite of bimonthly?
There is no single opposite because bimonthly has two meanings. Depending on the intended schedule, a contrasting frequency might be weekly, monthly, or another interval.
How do you remember the meaning of bimonthly?
Remember that bi- can indicate two, but the word doesn’t specify whether the two refer to two occasions within a month or a two-month interval. To be clear, state the frequency explicitly.
Conclusion
Bimonthly means either twice a month or once every two months. Both interpretations are accepted in English, which is why the word can cause confusion in conversations, workplace schedules, and written instructions.
If you mean two occasions within one month, use twice a month or semimonthly. If you mean one occasion every two months, use every other month. These alternatives make your writing easier to understand and help prevent scheduling mistakes.

Lillian Hayes is a content writer focused on explaining meanings and language in a simple and clear way. She creates easy-to-understand content that helps readers learn and communicate better.