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[awr-guh-nahy-zer] /ˈɔr gəˌnaɪ zər/
a person who organizes, especially one who forms and organizes a group.
a person whse job is to enlist employees into membership in a union.
a person who organizes or schedules work:
You would get this job done sooner if you were a better organizer.
a multiple folder or, sometimes, a notebook in which correspondence, papers, etc., are sorted by subject, date, or otherwise, for systematic handling.
Embryology. any part of an embryo that stimulates the development and differentiation of another part.
Origin of organizer
1840-50; organize + -er1 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for organizer
Contemporary Examples
Historical Examples
  • Petty was a most indefatigable contriver, inventor, and organizer of industry.

    Self-Help Samuel Smiles
  • London has been waiting for an organizer—a leader—for a hundred years.

    The Market-Place Harold Frederic
  • The "organizer of victory" had before him a clear field and no favour.

    William Pitt and the Great War John Holland Rose
  • Francis was a dreamer and enthusiast, not a politician or organizer at all.


    William Graham Sumner
  • The former, we may say, deals with man as an organism, the latter with him as an organizer.

British Dictionary definitions for organizer


a person who organizes or is capable of organizing
a container with a number of compartments for storage: hanging organizers to keep your clothes smart
(embryol) any part of an embryo or any substance produced by it that induces specialization of undifferentiated cells
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for organizer

1849, agent noun from organize.

Online Etymology Dictionary, © 2010 Douglas Harper
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organizer in Medicine

organizer or·gan·iz·er (ôr'gə-nī'zər)

  1. One that organizes.

  2. A group of cells that induces differentiation of cells in the embryo and controls the growth and development of adjacent parts through the action of an evocator. Also called inductor.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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