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triweekly

[ trahy-week-lee ]

adverb

  1. every three weeks.
  2. three times a week.


adjective

  1. occurring or appearing every three weeks.
  2. occurring or appearing three times a week.

noun

, plural tri·week·lies.
  1. a triweekly publication.

triweekly

/ traɪˈwiːklɪ /

adjective

  1. every three weeks
  2. three times a week
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


noun

  1. a triweekly publication
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word History and Origins

Origin of triweekly1

First recorded in 1825–35; tri- + weekly
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Example Sentences

There’s “weekly,” “biweekly,” even “triweekly” — but is there a word for something that happens once every four weeks?

Etta crouched into proper form, per her triweekly training with Eric Cafferty, her coach, and confidently exhaled as she lifted a chalk-dusted barbell bearing 143 pounds off the floor.

There is a post office in the village, through which a triweekly mail passes to and from Natchez.

And in addition to room service from Wolfgang Puck, the Hotel Oceana in Santa Monica, Calif., offers a triweekly jump on the day with a 6 a.m. "run" with hotel general manager Seth Horowitz.

"Perverting the Olympic ideals," the triweekly newspaper Soviet Culture reports, "American Big Business has seized control of the preparations of the Games."

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More About Triweekly

What does triweekly mean?

Triweekly is commonly used to mean one of two things: once every three weeks or three times per week.

It can be used this way as an adjective, as in a triweekly meeting, or an adverb, as in We plan to meet triweekly. 

Yes, you can sometimes figure out what triweekly means from the context of the sentence. But not always. The term triweekly meeting might mean that it happens three times a week or every three weeks—both senses of the word are commonly used. Here’s the best (and maybe only) way to be perfectly clear: just say “three times a week” or “once every three weeks.”

Triweekly can also be used as a noun referring to a publication that’s published three times per week or once every three weeks (as opposed to a daily or weekly, for example).

Examples:

  • New episodes of my triweekly podcast come out every Monday, Wednesday, and Friday.
  • Let’s plan to meet triweekly, on every third Thursday.

Where does triweekly come from?

The first records of the word triweekly come from around 1830. The prefix tri- means “three” or “three times.” The suffix -ly, which usually forms adverbs, is used in triweekly to mean “every.” It’s used in the same way in several other units of time, including hourly, daily, monthly, and yearly.

Different prefixes can be added to weekly to indicate a different period of time, such as in biweekly (every two weeks or two times a week) and semiweekly (twice a week). Triweekly is probably less commonly used than biweekly, but it has the same potential to be confusing. When triweekly does describe something that happens three times a week, chances are that it happens on Monday, Wednesday, and Friday (but you should probably still double—or triple—check).

Did you know ... ?

What are some other forms related to triweekly?

  • triweeklies (plural noun)

What are some synonyms for triweekly?

  • every three weeks
  • three times a week

What are some words that share a root or word element with triweekly

 

What are some words that often get used in discussing triweekly?

How is triweekly used in real life?

Triweekly is used to mean both “three times a week” and “every three weeks.” To avoid confusion, it’s a good idea to clarify exactly which one you mean.

 

 

Try using triweekly!

Is triweekly used correctly in the following sentence?

We plan to publish triweekly, on the first of every month.

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