invalid

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Invalid

Null; void; without force or effect; lacking in authority.

For example, a will that has not been properly witnessed is invalid and unenforceable.

invalid

adjective abrogated, baseless, canceled, fallacious, faulty, futile, having no force, inadequate, ineffectual, inefficacious, inoperative, inritus, lacking authority, lacking force, lacking strength, not binddng, nugatory, null, quashed, unauthentic, untenable, untrue, useless, vain, void, weak, without legal efficacy
Associated concepts: invalid delegation, invalid gift, invalid transfer, invalid will
Foreign phrases: Ab abusu ad usum non valet consequennia.A conclusion as to the use of a thing from its abuse is invalid.
See also: disabled, fallacious, false, faulty, helpless, illegal, inaccurate, inactive, inconsequential, ineffective, ineffectual, nugatory, null and void, otiose, patient, powerless, sophistic, unavailing, unsound, untenable

INVALID. In a physical sense, it is that which is wanting force; in a figurative sense, it signifies that which has no effect.

References in periodicals archive ?
These tools, along with other measures, particularly confinement, coerced labour and surveillance, were used to control the lives of pauper invalids.
Upon admittance to a depot, invalids were stripped of all their personal possessions including their clothes.
27) As a further means of controlling inmates the regulations forbade invalids the right to perform labour for their own benefit.
The power to control invalids in charitable institutions was embedded in rules and regulations which inmates were to strictly obey.
39) Under rule 29 invalids admitted to the Port Arthur depot were detained, without entitlement to claim a discharge, for arbitrary periods determined by the Administrator of Charitable Grants.
However, the very reasons which saw invalids admitted into depots imposed a limitation upon their capacity to work.
Invalids at the Brickfields were likewise required to perform labour for the benefit of the institution.
During the same period in which the 'tobacco memorandum' was issued, invalids at the Brickfields were assigned tasks which supposedly related to those occupations that they had been employed in during their lives.
The reality of the situation was that only a small number of invalids were capable of performing any sort of labour.
While there may have only been about thirty invalids available for physically demanding work in the early 1860s, a decade later a considerable number of additional men were classified as capable of such labour.
58) The employment of invalids as attendants or wardsmen dated back to at least 1845.
From the very beginnings of institutionalised management: of invalids in Tasmania the threat, and implementation, of discharge was a discretionary power used by administrators in regulating the behaviour of their charges.