organizer

American  

[awr-guh-nahy-zer] / ˈɔr gəˌnaɪ zər /

noun

1. a person who organizes, especially one who forms and organizes a group.

2. a person whse job is to enlist employees into membership in a union.

3. a person who organizes or schedules work.

   You would get this job done sooner if you were a better organizer.

4. a multiple folder or, sometimes, a notebook in which correspondence, papers, etc., are sorted by subject, date, or otherwise, for systematic handling.

5. Embryology. any part of an embryo that stimulates the development and differentiation of another part.

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organizer British  

/ ˈɔːɡəˌnaɪzə /

noun

1. a person who organizes or is capable of organizing

2. a container with a number of compartments for storage

   hanging organizers to keep your clothes smart

3. embryol any part of an embryo or any substance produced by it that induces specialization of undifferentiated cells

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Etymology

Origin of organizer

First recorded in 1840–50; organiz(e) ( def. ) + -er ¹ ( def. )

Example Sentences

Two other candidates, tech entrepreneur Adam Miller and community organizer Rae Huang, criticized NBC4’s decision to exclude them from the debate.

From Los Angeles Times • May 6, 2026

It would be smart to tell the organizer of the vacation first, says Sara Jane Ho, another etiquette expert and host of the podcast “Hot Water.”

From MarketWatch • May 6, 2026

The reasoning falls flat, but in the old words of Saul Alinsky, the community organizer from Chicago: “Never let a crisis go to waste.”

From Slate • May 4, 2026

According to court documents, Szabo was the organizer and moderator of chat groups formed in 2020 where the conspirators communicated with one another.

From Barron's • Apr. 29, 2026

In fact, the organizer can send everyone PayPal reminders by e-mail with clear instructions as to how to pay up.

From "The World Is Flat" by Thomas L. Friedman

Related Words

• coordinator
• designer
• developer
• promoter