Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Happening every two weeks.
  • adjective Happening twice a week; semiweekly.
  • noun A publication issued every two weeks.
  • adverb Every two weeks.
  • adverb Twice a week; semiweekly.

from The Century Dictionary.

  • Occurring or appearing every two weeks: as, a biweekly magazine.
  • Fortnightly.
  • noun A periodical issued once every two weeks; a fortnightly publication.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective Occurring or appearing once every two weeks; fortnightly.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective Occurring once every two weeks.
  • adjective chiefly UK Occurring twice a week (but see the Usage notes).
  • adverb Every two weeks.
  • adverb chiefly UK Twice a week (but see the Usage notes).
  • noun Something that is published or released once every two weeks.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adjective occurring twice a week
  • adverb twice a week
  • adjective occurring every two weeks
  • adverb every two weeks
  • noun a periodical that is published twice a week or every two weeks (either 104 or 26 issues per year)

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

bi- + week + -ly

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Examples

  • The fellow participates in biweekly case conferences of children seen at the PCA.

    Child Abuse and Neglect Fellowship 2010

  • For the 2010-2011 year, fellows will receive a stipend of $37,368 (consistent with NIH guidelines), distributed evenly across the year in biweekly checks.

    Postdoctoral Program 2010

  • I’ve been participating in biweekly Calagator code sprints (we’re hoping to have our 1.0 release in just a couple weeks).

    Busy Girl « Dyepot, Teapot 2008

  • The secret is a really simple tool called the biweekly mortgage.

    CNN Transcript Mar 3, 2004 2004

  • This 26-issue miniseries -- initially described as biweekly, now revised to "twice a month," which provides a little more wiggle room -- looks like it's going to be another attempt at the "spine of the line" premise first attempted with Countdown; a lot of DC series will be spinning out of or directly tied into it.

    ComicsAlliance.com Douglas Wolk 2010

  • This 26-issue miniseries -- initially described as biweekly, now revised to "twice a month," which provides a little more wiggle room -- looks like it's going to be another attempt at the "spine of the line" premise first attempted with Countdown; a lot of DC series will be spinning out of or directly tied into it.

    ComicsAlliance.com Douglas Wolk 2010

  • The other half received standard primary care, and they were called biweekly to ensure their safety and provide support if needed.

    Medlogs - Recent stories 2009

  • There are only two newspapers a week (thus the reason it's called a biweekly) and we start thinking of conspiracies.

    Newscoma 2009

  • McKinney says he has “tried to get some Spanish-speaking friends to join the council,” referring to the biweekly Knights of Columbus meetings at the parish, but he hasn’t had success.

    American Grace Robert D. Putnam 2010

  • In those five papers, we only had to change one word ( "biweekly" to "twice a week") in one of the manuscripts.

    ScienceBlogs Channel : Life Science 2010

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