- Definitions|2
- Thesaurus|230
- Abbreviations|0
| groundless | |
| idle | |
| illegitimate(adjective, extreme, irregular, improper, extravagant) | |
| illicit(adjective, irregular, unwarranted, criminal, illegitimate) | |
| outlawed(adjective, irregular, unwarranted, criminal, illegal) | |
| unconscionable(adjective, extreme, improper, senseless, excessive) | |
| unfounded | |
| unlawful(adjective, extreme, irregular, improper, extravagant) | |
| untenable | |
| wrongful(adjective, extreme, irregular, improper, extravagant) | |
| absonant(adjective, extreme, improper, senseless, excessive) | |
| actionable | |
| against the law(expression, idiom) | |
| anarchic | |
| anarchistic | |
| anomic | |
| arbitrary(adjective, unreasonable, extreme, improper, stiff) | |
| black market | |
| bootleg | |
| chargeable |
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| APA | Smart Define. (2015). unwarrantable thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unwarrantable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unwarrantable thesaurus" https://smartdefine.org/unwarrantable/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, unwarrantable thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unwarrantable/thesaurus/synonyms>. |
| MLA | Smart Define. "unwarrantable thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/unwarrantable/thesaurus/synonyms> |