Learn how to say Invalided correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word invalid:
a person suffering from disablement or chronic ill health
(as modifier) ⇒ an invalid chair
suffering from or disabled by injury, sickness, etc
to cause to become an invalid; disable
(usually followed by out; often passive) (mainly British) to require (a member of the armed forces) to retire from active service through wounds or illness
It is best to avoid using the term invalid when referring to people with chronic illnesses or disabilities