118 entries under adjective topic. ×
| pointless | |
| prostrate(weak, inadequate, incompetent, inept) | |
| sterile(weak, inadequate, incompetent, inept) | |
| substandard(common, inferior, second-rate, shoddy) | |
| thin | |
| unable(weak, helpless, powerless) | |
| unavailable | |
| unavailing | |
| unfaithful | |
| unfruitful(weak, inadequate, incompetent, inept) | |
| unobtainable | |
| unproductive(weak, inadequate, incompetent, inept) | |
| unserviceable | |
| untrue | |
| unusable | |
| unworkable | |
| vain | |
| watery |
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| APA | Smart Define. (2015). dud thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/dud/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "dud thesaurus" https://smartdefine.org/dud/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, dud thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/dud/thesaurus/synonyms>. |
| MLA | Smart Define. "dud thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/dud/thesaurus/synonyms> |