Word.ws English Dictionary

outgroup

outgroup noun: the group of people who do not belong to one's own social group.

Noun

outgroup (plural outgroups)

  1. The group of people who do not belong to one's own social group.
    • This dissertation promises to correct for this theoretical deficit by formulating, elaborating, and ultimately testing a group-based moral emotions account in which white Americans’ moral appraisals of and attitudes towards racial/ethnic outgroups are considerably influenced by those of and towards...2022 May 2, Zachary Goldberg, “Explaining Shifts in White Racial Liberalism: The Role of Collective Moral Emotions and Media Effects”, in Georgia State University, archived from the original on 25...
  2. (systematics) In cladistics, all the taxa included in a study that do not belong to the ingroup that is of immediate interest.
    • A cladistic analysis of 45 ingroup and two outgroup taxa was performed on the basis of 134 characters.2009 January 15, Martin D. Brazeau, “The braincase and jaws of a Devonian 'acanthodian' and modern gnathostome origins”, Nature Volume 457 No. 7227, doi:10.1038/nature07436
    • To study the genetic relationships among diphyllobothroid tapeworms, other members of the Diphyllobothriidae are considered, with T. solium as the outgroup.2012, Dongyou Liu, Molecular Detection of Human Parasitic Pathogens, page 293

Verb

outgroup (third-person singular simple present outgroups, present participle outgrouping, simple past and past participle outgrouped)

  1. To form an outgroup.

Antonyms of outgroup

Forms of outgroup

Noun
pluraloutgroups
Verb
third-person singular presentoutgroups
present participleoutgrouping
past participleoutgrouped
pastoutgrouped

Origin of outgroup

From out- + group.

Questions about outgroup

What does outgroup mean?
Outgroup means the group of people who do not belong to one's own social group.
What part of speech is outgroup?
Outgroup can be a noun or a verb.
What is the plural of outgroup?
The plural of outgroup is outgroups.

Words near outgroup in the dictionary

  1. outgrossed
  2. outgrosses
  3. outgrossing
  4. outground
  5. outgrounds
  6. outgroup
  7. outgrouped
  8. outgrouper
  9. outgroupers
  10. outgrouping
  11. outgroupings

Source and license

Adapted from Wiktionary: outgroup (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “outgroup.” Word.ws, https://word.ws/outgroup. Based on Wiktionary, CC BY-SA 4.0.