- Definitions|2
- Thesaurus|2.4k
- Abbreviations|0
| unfair(adjective, unreasonable, extreme, improper, stiff) | |
| ungenuine(adjective, fake, false, counterfeit, inferior) | |
| unreal(fake, false, bogus) | |
| unreasonable(adjective, extreme, improper, stiff, extravagant) | |
| unwarrantable(adjective, extreme, irregular, improper, extravagant) | |
| unwarranted(extreme, irregular, improper, senseless, excessive) | |
| villainous(adjective, wrong, illegal, unlawful) | |
| abominable | |
| absonant(adjective, unreasonable, extreme, improper, stiff) | |
| anarchic | |
| anarchistic | |
| anomic | |
| arbitrary(adjective, unreasonable, extreme, improper, stiff) | |
| artful(hidden, sly, fraudulent) | |
| awful | |
| bad | |
| badly | |
| banned | |
| bantling | |
| bar sinister |
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Illegitimate on
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| APA | Smart Define. (2015). illegitimate thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/illegitimate/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "illegitimate thesaurus" https://smartdefine.org/illegitimate/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, illegitimate thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/illegitimate/thesaurus/synonyms>. |
| MLA | Smart Define. "illegitimate thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/illegitimate/thesaurus/synonyms> |