See Also: invalid(medicine)
invalid(1)(dictionary)
invalid(2)(dictionary)
invalid(3)(dictionary)
invalid(4)(dictionary)
INVALID(law)
invalid 3, verb(dictionary)
invalid 2, noun(dictionary)
invalid 1, adjective(dictionary)
Invalid Assignment(law)

invalid(1) (iou)



invalid adjective1. M16.
[Latin invalidus, from IN-3 + validus VALID. See also INVALID adjective2 & noun.]
Having no force, efficacy, or cogency, esp. in law; void. M16.
R. Graves He declared the wills technically invalid because of some legal flaw.
Without power or strength; weak, feeble. M17-E19.
invalidly adverb so as to be invalid, without validity adverb E18.
invalidness noun M17.