| shy(adjective, failing, lacking) | |
| insufficient(adjective, strong, lacking, enough, unsatisfactory) | |
| deficient(adjective, strong, perfect, inadequate, imperfect) | |
| subpar | |
| inadequate(adjective, strong, incompetent, insufficient, unsatisfactory) | |
| poor(adjective, strong, noble, inadequate, adequate) | |
| lacking(adjective, unsatisfactory) | |
| sub-par | |
| unsatisfactory(adjective, inadequate, acceptable, insufficient) | |
| worthless | |
| feeble | |
| empty(adjective, ineffective, fruitless) | |
| greedy | |
| sparse | |
| unacceptable(adjective, unsatisfactory) | |
| unsuitable | |
| unsustainable | |
| scant | |
| skimpy(adjective, inadequate, generous, sparse) | |
| depleted |
For more, visit
Sufficient on
Power Thesaurus
| APA | Smart Define. (2016). sufficient thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/sufficient/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "sufficient thesaurus" https://smartdefine.org/sufficient/thesaurus/antonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, sufficient thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/sufficient/thesaurus/antonyms>. |
| MLA | Smart Define. "sufficient thesaurus" 2 March 2016. Web. 23 September 2026. <https://smartdefine.org/sufficient/thesaurus/antonyms> |