- Definitions|2
- Thesaurus|1.9k
- Abbreviations|0
28 entries under poor topic. ×
| baseless(adjective, reason, foolish, true) | |
| illogical(adjective, reason, foolish, sense) | |
| unreasonable(adjective, foolish, reasoning, irrational) | |
| false(adjective, reason, error, reasoning) | |
| flimsy(adjective, reason, negative, unwarranted) | |
| ungrounded(adjective, negative, error, unwarranted) | |
| fallacious(adjective, foolish, unreasonable, error) | |
| tenuous(adjective, negative, implausible, vacant) | |
| implausible(adjective, irrational, unconvincing, unreasoned) | |
| frivolous(adjective, thin, false, empty) | |
| trivial(adjective, thin, false, empty) | |
| assailable(implausible, unconvincing) | |
| contemptible(implausible, unconvincing) | |
| controvertible(implausible, unconvincing) | |
| improbable(implausible, unconvincing) | |
| inane(implausible, unconvincing) | |
| inconceivable(implausible, unconvincing) | |
| incredible(implausible, unconvincing) | |
| inept(implausible, unconvincing) | |
| lame(implausible, unconvincing) |
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| APA | Smart Define. (2015). groundless thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/groundless/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "groundless thesaurus" https://smartdefine.org/groundless/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, groundless thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/groundless/thesaurus/synonyms>. |
| MLA | Smart Define. "groundless thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/groundless/thesaurus/synonyms> |