- Definitions|2
- Thesaurus|1.9k
- Abbreviations|0
24 entries under implausible topic. ×
| baseless(adjective, reason, poor, foolish, true) | |
| false(adjective, reason, poor, error, reasoning) | |
| flimsy(adjective, reason, poor, negative, unwarranted) | |
| tenuous(adjective, poor, negative, vacant) | |
| frivolous(adjective, poor, thin, false, empty) | |
| trivial(adjective, poor, thin, false, empty) | |
| assailable(poor, unconvincing) | |
| contemptible(poor, unconvincing) | |
| controvertible(poor, unconvincing) | |
| improbable(poor, unconvincing) | |
| inane(poor, unconvincing) | |
| inconceivable(poor, unconvincing) | |
| incredible(poor, unconvincing) | |
| inept(poor, unconvincing) | |
| lame(poor, unconvincing) | |
| poor | |
| puerile(poor, unconvincing) | |
| trifling(poor, unconvincing) | |
| unbelievable(poor, unconvincing) | |
| unconvincing |
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| APA | Smart Define. (2015). groundless thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/groundless/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "groundless thesaurus" https://smartdefine.org/groundless/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, groundless thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/groundless/thesaurus/synonyms>. |
| MLA | Smart Define. "groundless thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/groundless/thesaurus/synonyms> |