| 1. | of, pertaining to, or established by institution. |
| 2. | of or pertaining to organized establishments, foundations, societies, or the like, or to the buildings devoted to their work. |
| 3. | of the nature of an institution. |
| 4. | characterized by the blandness, drabness, uniformity, and lack of individualized attention attributed to large institutions that serve many people: institutional food. |
| 5. | (of advertising) having as the primary object the establishment of goodwill and a favorable reputation rather than the immediate sale of the product. |
| 6. | pertaining to institutes or principles, esp. of jurisprudence. |