invalid[in′və lid; chiefly Brit, -lēd′]
An elderly invalid.
- Invalid is defined as not correct or provable or not legally recognized.
- An example of invalid is a theory that has been proven wrong.
- An example of invalid is a marriage without a proper marriage license.
- The definition of an invalid is a sick, weak person.
An example of an invalid is a feeble old woman in a hospital who cannot walk.
- not well; weak and sickly; infirm
- of or for invalids: an invalid home
Origin of invalidFrench invalide ; from Classical Latin invalidus, feeble: see in- and amp; valid
- to make invalid; disable or weaken
- Chiefly Brit. to remove (a soldier, sailor, etc.) from active duty or from a combat zone because of injury or illness
Origin of invalidClassical Latin invalidus
- Incapacitated by illness or injury.
- Of, relating to, or intended for invalids.
transitive verbin·va·lid·ed, in·va·lid·ing, in·va·lids
- To incapacitate physically.
- Chiefly British To release or exempt from duty because of ill health: “I was not quite sick enough to be invalided out, even though I was of no more use” (Mary Lee Settle).
Origin of invalidFrom invalid2 (influenced by French invalide, sickly, infirm).
- Not legally or factually valid; null: an invalid license.
- Falsely based or reasoned; faulty: an invalid argument.
Origin of invalidLatin invalidus, weak : in-, not; see in–1 + validus, strong (from valēre, to be strong; see wal- in Indo-European roots).
(comparative more invalid, superlative most invalid)
in- + valid
- The sense of a person confined to home or bed is considered insensitive, outmoded or politically incorrect by some.
- Intended for use by an invalid.
(third-person singular simple present invalids, present participle invaliding, simple past and past participle invalided)
From Middle French invalide, from Latin invalidus (“infirm, weak”), from in- (“not”) + validus (“strong”)
invalid - Legal Definition