- Definitions|0
- Thesaurus|119
- Abbreviations|0
| unofficial group(expression, company, group, people, community) | |
| private group(expression, company, group, people, community) | |
| informal group(expression, company, group, people, community) | |
| irregular group(expression, company, group, people, community) | |
| unauthorized group(expression, company, group, people, community) | |
| unconfirmed group(expression, company, group, people, community) | |
| illegal group(expression, company, group, people, community) | |
| unsanctioned group(expression, company, group, people, community) |
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| APA | Smart Define. (1970). official group thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/official_group/thesaurus/antonyms |
| Chicago | Smart Define. 1970. "official group thesaurus" https://smartdefine.org/official_group/thesaurus/antonyms (accessed September 26, 2026). |
| Harvard | Smart Define 1970, official group thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/official_group/thesaurus/antonyms>. |
| MLA | Smart Define. "official group thesaurus" 1 January 1970. Web. 26 September 2026. <https://smartdefine.org/official_group/thesaurus/antonyms> |