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| a fool or simpleton; ninny. |
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| valid (ˈvælɪd) | |
| —adj | |
| 1. | having some foundation; based on truth |
| 2. | legally acceptable: a valid licence |
| 3. | a. having legal force; effective |
| b. having legal authority; binding | |
| 4. | having some force or cogency: a valid point in a debate |
| 5. | logic Compare invalid (of an inference or argument) having premises and conclusion so related that whenever the former are true the latter must also be true, esp (formally valid) when the inference is justified by the form of the premises and conclusion alone. Thus Tom is a bachelor; therefore Tom is unmarried is valid but not formally so, while today is hot and dry; therefore today is hot is formally valid |
| 6. | archaic healthy or strong |
| [C16: from Latin validus robust, from valēre to be strong] | |
| 'validly | |
| —adv | |
| validity | |
| —n | |
| 'validness | |
| —n | |