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en.wikipedia.org/wiki/Invalid

Invalid may refer to: Patient, a sick person; one who is confined to home or bed because of ... Look up invalid in Wiktionary, the free dictionary.

www.dictionary.com/browse/invalid

Invalid definition, an infirm or sickly person. See more.

www.merriam-webster.com/dictionary/invalid

Define invalid: not valid:; being without foundation or force in fact, truth, or law; logically inconsequent — invalid in a sentence.

dictionary.cambridge.org/us/dictionary/english/invalid

invalid definition, meaning, what is invalid: An invalid document, ticket, law, etc. is not legally or officially acceptable: . Learn more.

www.vocabulary.com/dictionary/invalid

A person who is very sick or injured and needs frequent care is an invalid. Also, something no longer current or useful is invalid.

en.oxforddictionaries.com/definition/invalid

Definition of invalid - a person made weak or disabled by illness or injury.

www.collinsdictionary.com/us/dictionary/english/invalid

Invalid definition: An invalid is someone who needs to be cared for because they have an illness or... | Meaning, pronunciation, translations and examples.

www.ldoceonline.com/dictionary/invalid

invalid meaning, definition, what is invalid: a contract, ticket, claim etc that is in...: Learn more.

www.yourdictionary.com/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 ...