#1
invalid n. [
shut-in] someone who is incapacitated by a chronic illness or injury
. wn #2
invalid v. force to retire, remove from active duty, as of firemen
. wn #3
invalid a. having no cogency or legal force; "invalid reasoning"; "an invalid driver's license"
. wn #4
invalid v. [
disable, incapacitate, handicap] injure permanently; "He was disabled in a car accident"
. wn #5
invalid s. no longer valid; "the license is invalid"
. wn