<p><strong>Noun</strong></p><ul><li>Any plant whose fruit, seeds, roots, tubers, bulbs, stems, leaves, or flower parts are used as food, as the tomato, bean, beet, potato, onion, asparagus, spinach, or cauliflower.</li><li>The edible part of such a plant, as the tuber of the potato.</li><li>Any member of the plant kingdom; plant.</li><li>Informal: A person who is so severely impaired mentally or physically as to be largely incapable of conscious responses or activity.</li><li>A dull, spiritless, and uninteresting person.</li></ul><p><strong>Adjective</strong></p><ul><li>Of, consisting of, or made from edible vegetables: a vegetable diet.</li><li>Of, relating to, or characteristic of plants: the vegetable kingdom.</li><li>Derived from plants: vegetable fiber; vegetable oils.</li><li>Consisting of, comprising, or containing the substance or remains of plants: vegetable matter; a vegetable organism.</li><li>Of the nature of or resembling a plant: the vegetable forms of Art Nouveau ornament.</li><li>Inactive; inert; dull; uneventful: a vegetable existence.</li></ul>