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CO¹

proper noun

  1. abbreviation Abbreviation of Colorado: a state of the United States.

noun

  1. abbreviation Abbreviation of county
  2. abbreviation, initialism Initialism of commanding officer
  3. abbreviation, initialism Initialism of commissioned officer
  4. US, abbreviation, initialism Initialism of corrections officer or initialism of correctional officer
  5. abbreviation, initialism Initialism of conscientious objector
  6. abbreviation, initialism Initialism of clothing optional
  7. abbreviation, initialism Initialism of common-offset method
  8. abbreviation Abbreviation of cutoff

verb

  1. abbreviation Abbreviation of cast on

co²

  • /kəʊ/ UK
  • /koʊ/ US

Rhymes with -əʊ

Where it comes from

Clipping of company.

noun cos · co. · Co · Co.

  1. abbreviation, clipping, colloquial Clipping of company

co³

  • /kəʊ/ UK
  • /koʊ/ US

Rhymes with -əʊ

Where it comes from

Coined by feminist writer Mary Orovan in 1970; in common usage in intentional communities of the Federation of Egalitarian Communities.

pronoun coself

  1. gender neutral, nonstandard, singular, third person Gender-neutral subject pronoun, coordinate with gendered pronouns he and she. Co consistently does less than cos share of the Community work. 4. Co absents coself from the Community for more than three weeks [...]
  2. gender neutral, nonstandard, singular, third person Gender-neutral object pronoun, coordinate with gendered pronouns him and her.

Co⁴

noun co · co. · Co.

  1. abbreviation, uncountable Abbreviation of company, alternative form of Co..
  2. abbreviation, uncountable Abbreviation of county, alternative form of Co.. Under McGlinchey's leadership, the INLA committed several atrocities and murders during the Troubles, resulting in the Co Derry native's imprisonment both north and south of the border.
  3. abbreviation, uncountable Abbreviation of cotton

Thesaurus

Closest in meaning: conscientious objector, cobalt, carbon dioxide, wc, corporation, firm, business, enterprise, organization, concern, establishment, venture, agency, outfit, conglomerate, group

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MLA

"co." Wiktionary, via Micwyn, micwyn.com/word/co. Accessed 6 Nov. 2026.

APA

co. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/co

Chicago

"co." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/co.

BibTeX
@misc{co_2026,
  title = {co},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/co},
  urldate = {2026-11-06}
}