- Definitions|1
- Thesaurus|134
- Abbreviations|0
23 entries under adjective topic. ×
| illegal | |
| unauthorized(permitted, sanctioned) | |
| unofficial | |
| unsanctioned | |
| illicit | |
| illegitimate | |
| informal | |
| lawless | |
| unauthorised | |
| unlawful | |
| wrongful | |
| clandestine | |
| contraband | |
| criminal | |
| crooked | |
| dishonest | |
| forcible | |
| improper | |
| private | |
| shady |
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| APA | Smart Define. (2015). unapproved thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/unapproved/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unapproved thesaurus" https://smartdefine.org/unapproved/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, unapproved thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/unapproved/thesaurus/synonyms>. |
| MLA | Smart Define. "unapproved thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/unapproved/thesaurus/synonyms> |