| n. | 1. | The quality or state of being sufficient, or adequate to the end proposed; adequacy. |
| 2. | Qualification for any purpose; ability; capacity. | |
| 3. | Adequate substance or means; competence. | |
| 4. | Supply equal to wants; ample stock or fund. | |
| 5. | Conceit; self-confidence; self-sufficiency. |
| Noun | 1. | sufficiency - sufficient resources to provide comfort and meet obligations; "her father questioned the young suitor's sufficiency" |
| 2. | sufficiency - an adequate quantity; a quantity that is large enough to achieve a purpose; "enough is as good as a feast"; "there is more than a sufficiency of lawyers in this country" Synonyms: enough | |
| 3. | sufficiency - the quality of being sufficient for the end in view; "he questioned the sufficiency of human intelligence" Synonyms: adequacy Antonyms: inadequacy, deficiency, insufficiency - lack of an adequate quantity or number; "the inadequacy of unemployment benefits" |