Definify.com
Webster 1913 Edition
Invalid
In-val′id
,Adj.
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 agreementIn′va-lid
(?; 277)
, Noun.
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
,Adj.
[See ]
Invalid
, Noun.
Not well; feeble; infirm; sickly;
as, he had an
. invalid
daughterIn′va-lid
,Verb.
T.
1.
To make or render invalid or infirm.
“Invalided, bent, and almost blind.” Dickens.
2.
To classify or enroll as an invalid.
Peace coming, he was
invalided
on half pay. Carlyle.
Webster 1828 Edition
Invalid
INVAL'ID
,Adj.
1.
Weak, of no force, weight or cogency.2.
In law, having no force, effect or efficacy; void; null; as an invalid contract or agreement.Definition 2024
invalid
invalid
English
Pronunciation
- enPR: ĭn-vă'lĭd, IPA(key): /ɪnˈvæl.ɪd/
Adjective
invalid (comparative more invalid, superlative most invalid)
- Not valid; not true, correct, acceptable or appropriate.
- Your argument is invalid because it uses circular reasoning.
- This invalid contract cannot be legally enforced.
Synonyms
Antonyms
Translations
not valid
Etymology 2
From Middle French invalide, from Latin invalidus (“infirm, weak”), from in- (“not”) + validus (“strong”)
Pronunciation
- enPR: ĭn'və-lĭd, IPA(key): /ˈɪn.və.lɪd/
Noun
invalid (plural invalids)
- (dated, sometimes offensive) Any person with a disability or illness.
- (dated, sometimes offensive) 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.
- (archaic) A disabled member of the armed forces; one unfit for active duty due to injury.
Translations
sick person
Adjective
invalid (not comparable)
- Intended for use by an invalid.
Derived terms
Verb
invalid (third-person singular simple present invalids, present participle invaliding, simple past and past participle invalided)
- (Britain) To exempt from duty because of injury or ill health.
- He was invalided home after the car crash.
German
Adjective
invalid (not comparable)
- invalid (confined to home or bed because of illness or disability)
Declension
Declension of invalid
| number & gender | singular | plural | |||
|---|---|---|---|---|---|
| masculine | feminine | neuter | all genders | ||
| predicative | er ist invalid | sie ist invalid | es ist invalid | sie sind invalid | |
| strong declension (without article) |
nominative | invalider | invalide | invalides | invalide |
| genitive | invaliden | invalider | invaliden | invalider | |
| dative | invalidem | invalider | invalidem | invaliden | |
| accusative | invaliden | invalide | invalides | invalide | |
| weak declension (with definite article) |
nominative | der invalide | die invalide | das invalide | die invaliden |
| genitive | des invaliden | der invaliden | des invaliden | der invaliden | |
| dative | dem invaliden | der invaliden | dem invaliden | den invaliden | |
| accusative | den invaliden | die invalide | das invalide | die invaliden | |
| mixed declension (with indefinite article) |
nominative | ein invalider | eine invalide | ein invalides | (keine) invaliden |
| genitive | eines invaliden | einer invaliden | eines invaliden | (keiner) invaliden | |
| dative | einem invaliden | einer invaliden | einem invaliden | (keinen) invaliden | |
| accusative | einen invaliden | eine invalide | ein invalides | (keine) invaliden | |