# Bi-Monthly

**URL:** <https://boards.straightdope.com/t/bi-monthly/1033555>\
**Category:** Factual Questions\
**Created:** [October 3, 2026, 3:26am UTC](https://boards.straightdope.com/t/bi-monthly/1033555 "2026-10-03T03:26:12Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Ranger\_Jeff](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/ranger_jeff/32/2065_2.png) [@Ranger\_Jeff](https://boards.straightdope.com/u/Ranger_Jeff)\
**Post date:** [October 3, 2026, 3:26am UTC](https://boards.straightdope.com/t/bi-monthly/1033555/1 "2026-10-03T03:26:12Z")

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Does that mean twice a month or every 2 months?

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**Author:** ![PastTense](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/pasttense/32/14550_2.png) [@PastTense](https://boards.straightdope.com/u/PastTense)\
**Post date:** [October 3, 2026, 3:30am UTC](https://boards.straightdope.com/t/bi-monthly/1033555/2 "2026-10-03T03:30:42Z")

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Bi-monthly means every two months. Semi-monthly is twice a month.

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**Author:** ![Reply](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/reply/32/15952_2.png) [@Reply](https://boards.straightdope.com/u/Reply)\
**Post date:** [October 3, 2026, 3:43am UTC](https://boards.straightdope.com/t/bi-monthly/1033555/3 "2026-10-03T03:43:32Z")

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It could be either. Don’t use that word; just say every two months or twice a month.

[![](https://fightingignorance.org/8f755801-806f-475c-925e-13194acd4958-image.png) ](https://fightingignorance.org/8f755801-806f-475c-925e-13194acd4958-image.png)

[![](https://fightingignorance.org/aae4973f-53c7-404d-8100-3e1626db108d-image.png) ](https://fightingignorance.org/aae4973f-53c7-404d-8100-3e1626db108d-image.png)

> **[On 'Biweekly' and 'Bimonthly'](https://www.merriam-webster.com/grammar/on-biweekly-and-bimonthly)**
>
> Sorry, not sorry

There’s a dozen more dictionaries saying the same thing.
