invalid

(ĭn'və-lĭd)
n.
One who is incapacitated by a chronic illness or disability.

adj.

1. Incapacitated by illness or injury.
2. Of, relating to, or intended for invalids.

tr.v., -lid·ed, -lid·ing, -lids.

1. To incapacitate physically.
2. 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).

[From INVALID² (influenced by French invalide, sickly, infirm).]

in·val·id² (ĭn-văl'ĭd)
adj.

1. Not legally or factually valid; null: an invalid license.
2. Falsely based or reasoned; faulty: an invalid argument.

[Latin invalidus, weak : in-, not; see in-¹ + validus, strong (from valēre, to be strong).]

invalidity in'va·lid'i·ty (-və-lĭd'ĭ-tē) n.
invalidly in·val'id·ly adv.

View more Technology videos

is pronounced with the stress on the second syllable as an adjective (meaning 'not valid') and with the stress on the first syllable as a noun (meaning 'a person affected by disease or injury').

Previous:	inured, intuition, instinct, intuit
Next:	inveigle, inventor, inventory

adjective

Containing fundamental errors in reasoning: fallacious, false, illogical, sophistic, specious, spurious, unsound. See correct/incorrect, true/false.

adj

Definition: sickly
Antonyms: healthy, well

adj

Definition: worthless; unfounded
Antonyms: sound, true, valid, worthwhile, worthy

An argument is invalid when the conclusion does not follow from the premises. See entailment, validity.

This entry contains information applicable to United States law only.

Null; void; without force or effect; lacking in authority.

For example, a will that has not been properly witnessed is invalid and unenforceable.

IN BRIEF: One who is disabled for illness or injury. Also: having no force or weight.

A cheerful face is nearly as good for an invalid as healthy weather. — Benjamin Franklin (1706-1790), American entrepreneur, statesman, scientist & philosopher.

LearnThatWord.com is a free vocabulary and spelling program where you only pay for results!

A dream about being an invalid may signify the lack of confidence and energy to pursue some issue. Hopelessness may have crippled the dreamer's will to stand up and perform.

---

For a list of words related to invalid, see:

• Practitioners, Patients, and Facilities - invalid: patient incapacitated by disease or injury
• Logic - invalid: (adj) incorrectly argued; not logically based on premises
• Appearance or Style

---

See words rhyming with "invalid."

  See crossword solutions for the clue Invalid.

This entry is from Wikipedia, the leading user-contributed encyclopedia. It may not have been reviewed by professional editors (see full disclaimer)

Dansk (Danish)
1.
n. - invalid, kronisk syg
v. tr. - invalidere
adj. - invalid, kronisk syg, svagelig

2.
adj. - ugyldig

Nederlands (Dutch)
ongeldig, ongerechtvaardigd, invalide, zieke

Français (French)
1.
n. - malade, invalide, infirme
v. tr. - rendre malade/infirme, réformer
adj. - infirme

2.
adj. - sans fondement, (Admin, Jur) nul (un contrat, un mariage), caduc (un jugement), périmé (un passeport)

Deutsch (German)
1.
n. - Kranker, Invalide
v. - zum Invaliden machen, als dienstuntauglich entlassen
adj. - ungültig, invalide, krank, körperbehindert

2.
adj. - ungültig, nicht zulässig, nichtig

Ελληνική (Greek)
n. - ασθενής, ανάπηρος
adj. - ανάπηρος, ασθενικός, άρρωστος, φιλάσθενος, (νομ.) άκυρος, ανίσχυρος
v. - θέτω εκτός υπηρεσίας λόγω ασθενείας ή αναπηρίας

Italiano (Italian)
infermo, invalido

Português (Portuguese)
n. - inválido (m)
adj. - nulo
v. - invalidar

Русский (Russian)
инвалид, больной, нетрудоспособный, несостоятельный, недействительный, заболевать, делать больным

Español (Spanish)
1.
n. - enfermo, minusválido, discapacitado, inválido, lisiado, persona achacosa
v. tr. - convertir en un inválido, licenciar como inválido, perder la salud
adj. - enfermo, minusválido, discapacitado, inválido, lisiado

2.
adj. - inválido, nulo, írrito

Svenska (Swedish)
n. - invalid
adj. - handikappad, invalid-, oduglig till aktiv tjänst (mil.), ogiltig
v. - invalidisera (s), ta(s) upp på sjuklistan (isht mil.)

中文（简体）(Chinese (Simplified))
1. 病弱的人, 病人, 伤残退役军人, 残疾者, 病弱的, 有病的, 供病人用的, 使病弱, 使伤残, 使退役

2. 无效的, 无效果的, 不得力的, 无价值的

中文（繁體）(Chinese (Traditional))
1.
adj. - 無效的, 無效果的, 不得力的, 無價值的

2.
n. - 病弱的人, 病人, 傷殘退役軍人, 殘疾者
adj. - 病弱的, 有病的, 供病人用的
v. tr. - 使病弱, 使傷殘, 使退役

한국어 (Korean)
1.
n. - 병자, 병약자
v. tr. - 병약하게 하다, 병약자로 면제하다
adj. - 병약한, 환자용의

2.
adj. - (증거 등이) 박약한, 설득력 없는, 무가치한

日本語 (Japanese)
n. - 病弱な人, 病人, 傷病兵
adj. - 病弱な, 病人向きの, 無効の, 法的効力を持たない, 根拠の弱い, 無効な

العربيه (Arabic)
‏(الاسم) المريض العاجز (صفه) باطل, لاغ, معتل, مقعد (فعل) يمرض, يجعله عاجزا‏

עברית (Hebrew)
n. - ‮נכה, בעל-מום, חולה‬
adj. - ‮עבור נכים, של נכים‬
v. tr. - ‮שחרר בגלל נכות, עשתה לנכה (מחלה)‬
adj. - ‮פסול, לא-תקף, בטל, חלש‬

If you are unable to view some languages clearly, click here.

To select your translation preferences click here.