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Open English Wordnet
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Nouns
(n)
invalid
,
shut-in
someone who is incapacitated by a chronic illness or injury
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Verbs
(v)
invalid
force to retire, remove from active duty, as of firemen
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(v)
disable
,
invalid
,
incapacitate
,
handicap
injure permanently
“He was disabled in a car accident”
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Adjectives
(a)
invalid
having no cogency or legal force
“invalid reasoning”
,
“an invalid driver's license”
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(s)
invalid
no longer valid
“the license is invalid”
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