Home › Words › I › invalidhoodinvalidhoodinvalidhood means the state of being an invalid; invalidism.EtymologyFrom invalid (noun) + -hood.nounThe state of being an invalid; invalidism.e.g.“The Study group on Social Security (1958) recommended the conversion of the Employees Provident Funds Scheme into an old-age, invalidhood and survivorship pension-cum-gratuity scheme.” — 1978, B. R. Patil, B. R. Patil, Economics of social welfare in India:Definitions & examples from Wiktionary (CC BY-SA 3.0).