OUTGROUP

Etymology

Noun

outgroup (plural outgroups)

(sociology) The group of people who do not belong to one's own social group.

(systematics) In cladistics, all the taxa included in a study that do not belong to the ingroup that is of immediate interest.

Antonyms

• (systematics): ingroup

• (sociology): ingroup

Verb

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

To form an outgroup.

Source: Wiktionary