| 单词 | valid |
| 释义 | valid —validly, adv. —validness, n. /val"id/, adj. 1. sound; just; well-founded: a valid reason. 2. producing the desired result; effective: a valid antidote for gloom. 3. having force, weight, or cogency; authoritative. 4. legally sound, effective, or binding; having legal force: a valid contract. 5. Logic. (of an argument) so constructed that if the premises are jointly asserted, the conclusion cannot be denied without contradiction. 6. Archaic. robust; well; healthy. [1565-75; < L validus strong, equiv. to val(ere) to be strong + -idus -ID4] Syn. 3. substantial, cogent. 5. logical, convincing. |
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