invalid /in-valˈid/

1. Without validity, efficacy, weight or cogency
2. Having no effect
3. Void
4. Null
5. /inˈvə-lid or -lēd/ disabled through injury or chronic sickness
6. Suitable for invalids

1. A feeble, sickly or disabled person
2. A person disabled during, and no longer fit for, active service, esp a soldier or sailor

1. To disable or affect with disease
2. To enrol or discharge as an invalid

1. To become an invalid
2. To be discharged as an invalid

invalidate /-valˈ/ transitive verb

To render invalid or ineffective

invalidāˈtion noun

invalidhood /inˈvə-lid-hŭd, -lēd- or -lēdˈ/ noun

inˈvaliding noun

The sending or return home, or to a more healthy climate, of those rendered incapable of active duty by wounds, sickness, etc

• sustaining
• sustaining pedal
• sustaining pedals
• sustainings
• sustainment
• sustainments
• sustains
• sustenance
• sustenances
• sustentacula
• sustentacular
• sustentaculum
• sustentaculums
• sustentate
• sustentated
• sustentates
• sustentating
• sustentation
• sustentations
• sustentative
• sustentator
• sustentators
• sustention
• sustentions
• sustentive