or·​ga·​niz·​er | \ ˈȯr-gə-ˌnī-zər \

Definition of organizer

1 : one that organizes
2 : a region of a developing embryo or a substance produced by such a region that is capable of inducing a specific type of development in undifferentiated tissue

called also inductor

Examples of organizer in a Sentence

Recent Examples on the Web

According to The Guardian, organizers for the Putin Youth Forum in the city of Yaroslavl were aware of Boris' hidden identity, but state news reporters didn't think viewers at home would realize the deception, or didn't realize it themselves. Sam Blum, Popular Mechanics, "Dancing Robot at Russian Event Turns Out to Be a Man in a Costume," 12 Dec. 2018 At least 100 supporters attended a gathering Monday morning in support of Rodriguez, said Omar Angel Perez, lead organizer for LA RED/Faith In Action, a member of the DMV Sanctuary Congregation Network. Reema Amin,, "Maryland woman detained by ICE after check-in, activists say," 9 July 2018 The unthinkable happened to the Democratic establishment when 10-term New York U.S. Rep. Joe Crowley lost his Democratic primary to socialist Alexandria Ocasio-Cortez, a former campaign organizer for Sen. Bernie Sanders’ presidential run. John Kass,, "It's a bad week to be a Democratic boss," 27 June 2018 David Lapp, lead organizer for Better Angels who set up that meeting, recalled the raw emotions of that weekend: anger, frustration, resentment and, yes, camaraderie. Ledyard King, USA TODAY, "One group tries to lower the volume on the high-decibel noise that's further dividing a polarized nation," 17 June 2018 The Portland Marathon officially has a new organizers, at least for this year. Eder Campuzano,, "City chooses 'Run With Paula' to host 2018 Portland Marathon," 1 June 2018 One party this year was in a gymnasium of a Midland church, where organizers had a fog machine and inflatable tunnel for the kids announcing their commitments. Kevin Armstrong, WSJ, "Youth Football League Encourages ‘Clear Eyes, Full Hearts, Complete Signatures’," 17 Dec. 2018 However, the legality of doing so is on the artist’s side: a concert is technically a private event, therefore event organizers can subject concert-goers to almost any kind of surveillance. Stefan Etienne, The Verge, "Taylor Swift tracked stalkers with facial recognition tech at her concert," 12 Dec. 2018 During the suffragist movement, organizers of the Women’s Suffrage Parade asked Ida B. Wells to march at the back of the line. Zoey Grossman; Fashion Editor: Cassie Anderson, Harper's BAZAAR, "Uzo Aduba, Katie Holmes & Ieshia Evans Reenact Iconic Images of Social Change," 20 Nov. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'organizer.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of organizer

1801, in the meaning defined at sense 1

Keep scrolling for more

Learn More about organizer

Statistics for organizer

Last Updated

14 Jan 2019

Look-up Popularity

Time Traveler for organizer

The first known use of organizer was in 1801

See more words from the same year

Keep scrolling for more

More Definitions for organizer


variants: also British organiser \ -​ˌnī-​zər \

Medical Definition of organizer

1 : one that organizes
2 : a region of a developing embryo (as the chordamesoderm of the dorsal lip of the vertebrate blastopore) or a substance produced by such a region that is capable of inducing a specific type of development in undifferentiated tissue

called also inductor

Keep scrolling for more

More from Merriam-Webster on organizer

Rhyming Dictionary: Words that rhyme with organizer

Spanish Central: Translation of organizer

Nglish: Translation of organizer for Spanish Speakers

Britannica English: Translation of organizer for Arabic Speakers

Comments on organizer

What made you want to look up organizer? Please tell us where you read or heard it (including the quote, if possible).


someone who never drinks alcohol

Get Word of the Day daily email!

Test Your Vocabulary

Homophone Quiz

  • three-bears-two-of-them-look-like-theyre-whispering-to-a-third-bear-who-looks-chuffed-to-be-the-center-of-attention
  • In order to judge how people felt, the senator's office hired a firm to take a ______.
Spell It

Can you spell these 10 commonly misspelled words?

Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.


Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!