- Definitions|1
- Thesaurus|860
- Abbreviations|0
| fallacious(adjective, reasoning) | |
| illogical(adjective, sense, reasoning, unsystematic) | |
| inconsistent | |
| invalid(adjective, reasoning, worthless, unfounded) | |
| irrational(adjective, unsystematic) | |
| unreasonable(adjective, reasoning) | |
| inconsequent | |
| inconsequential | |
| false(adjective, reasoning) | |
| inconclusive | |
| loose | |
| nonscientific | |
| pseudoscientific | |
| absonant | |
| approximate(adjective, inexact) | |
| groundless | |
| incorrect | |
| not following(expression, idiom, reasoning) | |
| specious | |
| unsound(adjective, reasoning) |
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| APA | Smart Define. (2015). unscientific thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/unscientific/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unscientific thesaurus" https://smartdefine.org/unscientific/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, unscientific thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/unscientific/thesaurus/synonyms>. |
| MLA | Smart Define. "unscientific thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/unscientific/thesaurus/synonyms> |