| invalid | (adjective) having no cogency or legal force | - |
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| (adjective) no longer valid | - |
| (noun) someone who is incapacitated by a chronic illness or injury | Synonyms: shut-in |
| (verb) injure permanently | Synonyms: disable, handicap, incapacitate |
| (verb) force to retire, remove from active duty, as of firemen | - |
| nymphalid | (noun) medium to large butterflies found worldwide typically having brightly colored wings and much-reduced nonfunctional forelegs carried folded on the breast | Synonyms: brush-footed butterfly, four-footed butterfly, nymphalid butterfly |
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| pyralid | (noun) usually tropical slender-bodied long-legged moth whose larvae are crop pests | Synonyms: pyralid moth |
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| squalid | (adjective) foul and run-down and repulsive | Synonyms: flyblown, sordid |
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| (adjective) morally degraded | Synonyms: seamy, seedy, sleazy, sordid |
| valid | (adjective) well grounded in logic or truth or having legal force | - |
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| (adjective) still legally acceptable | - |