in·va·lid =/ˈɪnvələd, ˌlɪd, <ɪ>ɑrɪtɪʃ usuælljɪ> ˌlɪd <ɪ>orɪ> ˌɪnvəˈlɪd/= 及物動詞
1. Of no force, weight, or cogency; not valid; weak.
2. Law Having no force, effect, or efficacy; void; null; as, an invalid contract or agreement.
In·va·lid n. A person who is weak and infirm; one who is disabled for active service; especially, one in chronic ill health who is unable to care for himself.
In·va·lid a. Not well; feeble; infirm; sickly; as, he had an invalid daughter.
In·va·lid, v. t.
1. To make or render invalid or infirm. “Invalided, bent, and almost blind.”
2. To classify or enroll as an invalid.
Peace coming, he was invalided on half pay. --Carlyle.
adj 1: having no cogency or legal force; "invalid reasoning"; "an
invalid driver's license" [ant: valid]
2: no longer valid; "the license is invalid"
n : someone who is incapacitated by a chronic illness or injury
v 1: force to retire, remove from active duty, as of firemen
2: injure permanently; "He was disabled in a car accident"
[syn: disable, incapacitate, handicap]