- Definitions|2
- Thesaurus|2.4k
- Abbreviations|0
124 entries under adjective topic. ×
| proscribed | |
| shameful | |
| unauthorised | |
| unethical | |
| unfair(unreasonable, extreme, improper, stiff) | |
| ungenuine(fake, false, counterfeit, inferior) | |
| unreasonable(extreme, improper, stiff, extravagant) | |
| unwarrantable(extreme, irregular, improper, extravagant) | |
| villainous(wrong, illegal, unlawful) | |
| abominable | |
| absonant(unreasonable, extreme, improper, stiff) | |
| arbitrary(unreasonable, extreme, improper, stiff) | |
| awful | |
| bad | |
| banned | |
| basal | |
| blameworthy | |
| costing an arm and a leg(expression, idiom, extreme, improper) | |
| dear(unreasonable, extreme, improper, stiff) | |
| diabolic |
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| APA | Smart Define. (2015). illegitimate thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/illegitimate/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "illegitimate thesaurus" https://smartdefine.org/illegitimate/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, illegitimate thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/illegitimate/thesaurus/synonyms>. |
| MLA | Smart Define. "illegitimate thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/illegitimate/thesaurus/synonyms> |