104 entries under extreme topic. ×
| far-out(improper, senseless, excessive, arbitrary) | |
| indulgent(adjective, unreasonable, extravagant, extra) | |
| lavish(adjective, fancy, extraordinary, high) | |
| limitless(unreasonable, extravagant, excessive, unwarranted) | |
| more(unreasonable, extravagant, excessive, unwarranted) | |
| needless(unreasonable, extravagant, excessive, unwarranted) | |
| over(unreasonable, extravagant, excessive, unwarranted) | |
| overboard(adjective, unreasonable, extravagant, extra) | |
| overkill(unreasonable, improper, extravagant, senseless) | |
| plethoric(unreasonable, extravagant, excessive, unwarranted) | |
| posh(adjective, fancy, high, improper) | |
| prodigal(adjective, unreasonable, extravagant, extra) | |
| profligate(adjective, unreasonable, extravagant, extra) | |
| recrementitious(unreasonable, extravagant, excessive, unwarranted) | |
| redundant(unreasonable, extravagant, excessive, unwarranted) | |
| self-indulgent(unreasonable, extravagant, excessive, unwarranted) | |
| super(unreasonable, extravagant, excessive, unwarranted) | |
| superabundant(unreasonable, extravagant, excessive, unwarranted) | |
| superfluous(unreasonable, extravagant, excessive, unwarranted) | |
| supernatural(unreasonable, extravagant, excessive, unwarranted) |
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| APA | Smart Define. (2015). stiff thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/stiff/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "stiff thesaurus" https://smartdefine.org/stiff/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, stiff thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/stiff/thesaurus/synonyms>. |
| MLA | Smart Define. "stiff thesaurus" 24 December 2015. Web. 27 September 2026. <https://smartdefine.org/stiff/thesaurus/synonyms> |