Meaning of invalid
Definition of invalid
(adj)
having no
cogency
or
legal
force; "invalid reasoning"; "an
invalid
driver's license"
no
longer
valid; "the
license
is invalid"
(noun)
someone
who is
incapacitated
by a
chronic
illness
or
injury
(verb)
force
to retire,
remove
from
active
duty, as of firemen
injure
permanently; "He was
disabled
in a car accident"
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