organization

UK: /ˌɔː^rgənaɪˈzeɪʃ^ən/

US: /ˌɔrgənəˈzeɪʃən/

US: (ôr′gə nə zā′shən)

WordReference Random House Learner's Dictionary of American English © 2025

or•gan•i•za•tion /ˌɔrgənəˈzeɪʃən/   n. 

1. the act or process of organizing, planning, or working to put something together:
   [uncountable] the organization of a committee to run the banquet.
2. [uncountable] the state or manner of being organized.
3. the structure of something:
   [uncountable] the organization of brain cells to perform a function.
4. a group of persons grouped together or organized for some purpose or work; an association:
   [countable] a national organization devoted to women's rights.

or•gan•i•za•tion•al /ˌɔrgənəˈzeɪʃənəl/  adj. See -orga-.

WordReference Random House Unabridged Dictionary of American English © 2025

or•gan•i•za•tion  (ôr′gə nə zā′shən), n. 

1. the act or process of organizing.
2. the state or manner of being organized.
3. something that is organized.
4. organic structure;
   composition:
   The organization of this painting is quite remarkable.
5. a group of persons organized for some end or work;
   association:
   a nonprofit organization.
6. the administrative personnel or apparatus of a business.
7. Government the functionaries of a political party along with the offices, committees, etc., that they fill.
8. an organism.

adj. 

9. of or pertaining to an organization.
10. Informal Terms conforming entirely to the standards, rules, or demands of an organization, esp. that of one's employer:
    an organization mentality.

• Medieval Latin organizātiōn- (stem of[organizātiō] ), equivalent. to organizāt(us) (past participle of[organizāre;] see organize, -ate₂) + -[iōn] - -ion
• late Middle English organizacion 1375–1425

or′gan•i•za ′tion•al, adj. 
or′gan•i•za ′tion•al•ly, adv. 

Collins Concise English Dictionary © HarperCollins Publishers::

organization, organisation / ˌɔːɡənaɪˈzeɪʃən/ noun

1. the act of organizing or the state of being organized
2. an organized structure or whole
3. a business or administrative concern united and constructed for a particular end
4. a body of administrative officials, as of a political party, a government department, etc
5. order or system; method

ˌorganiˈzational, ˌorganiˈsational adjective