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

Sierra Rodriguez is a 23-year-old political-campaign organizer in Colorado.

From MarketWatch • Apr. 3, 2026

Shabaz singled Gil out, as a lead organizer, for “aiding and abetting.”

From Slate • Mar. 25, 2026

Licolli, the poultry organizer, said she has “never romanticized the immigrant community and the immigrant movement.”

From Salon • Mar. 22, 2026

And although the group’s co-founder and lead organizer, Melissa Michelson, said she appreciates Schiff’s effort to address the problem, she doesn’t think it goes far enough.

From Los Angeles Times • Mar. 3, 2026

I wanted to see if the letter I’d discovered under the desk organizer from that Paula person had been opened.

From "It All Comes Down to This" by Karen English

Related Words

• coordinator
• designer
• developer
• promoter