invalid

adj
/ɪnˈvæl.ɪd//ˈɪn.və.lɪd/

Etymology

Etymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Italic *ən- Latin in- Proto-Indo-European *h₂welh₁- Proto-Indo-European *h₂wl̥h₁éh₁yeti Proto-Italic *walēō Latin valeō Proto-Indo-European *dʰeh₁-der. Proto-Italic *-iðos Latin -idus Latin validus Latin invalidusbor. Middle French invalidebor. English invalid Borrowed from Middle French invalide, from Latin invalidus (“infirm, weak”), from in- (“not”) + validus (“strong”).

  1. derived from invalidus
  2. borrowed from invalide

Definitions

  1. Not valid

    Not valid; not true, correct, acceptable, or appropriate.

    • Your argument is invalid because it uses circular reasoning.
    • This invalid contract cannot be legally enforced.
  2. Any person with a disability or illness.

  3. A person who is confined to home or bed because of illness, disability or injury

    A person who is confined to home or bed because of illness, disability or injury; one who is too sick or weak to care for themselves.

  4. + 5 more definitions
    1. A disabled member of the armed forces

      A disabled member of the armed forces; one unfit for active duty due to injury.

    2. Suffering from disability or illness.

      • Invalidism therefore referred to a lack of power as well as a tendency toward illness. It is for this reason that I choose to discuss the invalid woman rather than just the ill one.
    3. Intended for use by an invalid.

    4. To exempt from (often military) duty because of injury or ill health.

      • He was invalided home after the car crash.
      • [Blackadder:] Right, Baldrick, this is an old trick I picked up in the Sudan. We tell HQ that I’ve gone insane, and I’ll be invalided back to Blighty before you can say "wibble" — a poor, gormless idiot.
    5. To make invalid or affect with disease.

The neighborhood

Vish — recursive loop

A definitional loop anchored at invalid. Each word in the ring is defined by the next; follow the chain far enough and it folds back on itself. Scroll to it and watch.

01invalid02disability03disabled04disqualified05disqualify06ineligible07forbidden08disallowed

A definitional loop anchored at invalid. Each word in the ring appears in the definition of the next; follow the chain far enough and it folds back on itself.

8 hops · closes at invalid

curated · pre-corpus. live cycle detection across the full graph is the next major milestone.

sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA