organizer
noun
or·ga·niz·er
ˈȯr-gə-ˌnī-zər 
plural organizers
1
: a person or thing that organizes something: such as
a
: a person who arranges something (such as an event) especially by systematic planning and by coordinating the efforts of others
the organizers of the festival
Community organizers have scheduled other events around the city this weekend to celebrate Martin Luther King Jr. Day. For example, on Sunday the Town Hall will host "Writers Resist," at which more than a dozen writers will read their own work and pieces from celebrated American rights activists.—
Jessica Lee
Jessica Lee
b
: something (such as a device or container) that is designed to keep objects or information in a particular arrangement or order
a closet organizer
The digital diary a.k.a the electronic organizer was popular in the '80s and '90s. It was a calculator, address book and notepad all-in-one.—Rill Causey and Sam Reichman
Rill Causey and Sam ReichmanWe discovered that one of the firms still mailed tax organizers to clients in January. While they didn't really expect their clients to fill out the paper organizers, they knew the document remained an effective way of reminding clients to start getting organized well before April 15—and to keep the firm's brand top of mind.—Kyle Walters
Kyle Walters2
: 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
Pringle said Peasnell then got into a fight with the wedding organizer and a member of staff.
—Kimberlee Speakman, PEOPLE, 21 Dec. 2025
Midwestern Lesbian has expanded over the years Ference and Dunkley, Midwestern Lesbian's co-owner, have expanded the business into an active event organizer, collaborating with local businesses and organizations.
—Randy Tucker, Cincinnati Enquirer, 20 Dec. 2025
Think thoughtful tech upgrades, smart organizers, and cozy essentials that make travel easier (and more comfortable).
—Chaise Sanders, Travel + Leisure, 20 Dec. 2025
According to Olivia Parks, owner and lead organizer of NOLA Organizers, now is the perfect time to purge your kitchen.
—Patricia Shannon, Southern Living, 20 Dec. 2025
See All Example Sentences for organizer
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Kimberlee Speakman, PEOPLE, 21 Dec. 2025
Midwestern Lesbian has expanded over the years Ference and Dunkley, Midwestern Lesbian's co-owner, have expanded the business into an active event organizer, collaborating with local businesses and organizations.
—Randy Tucker, Cincinnati Enquirer, 20 Dec. 2025
Think thoughtful tech upgrades, smart organizers, and cozy essentials that make travel easier (and more comfortable).
—Chaise Sanders, Travel + Leisure, 20 Dec. 2025
According to Olivia Parks, owner and lead organizer of NOLA Organizers, now is the perfect time to purge your kitchen.
—Patricia Shannon, Southern Living, 20 Dec. 2025
See All Example Sentences for organizer
Cite this Entry
“Organizer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/organizer. Accessed 22 Dec. 2025.
Copy CitationMedical Definition
organizer
noun
or·ga·niz·er
variants
also British organiser
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
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