invalid


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Related to invalid: not valid

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 classic literature ?
A single look was sufficient to apprise the pretended leech that the invalid was far beyond his powers of healing.
At some of the houses--where they can't possibly know me--I shan't be frightened, and I shall reel off the whole rigmarole, invalid, babe, and all.
But this I urge, Admitting Motion in the Heav'ns, to shew Invalid that which thee to doubt it mov'd; Not that I so affirm, though so it seem To thee who hast thy dwelling here on Earth.
On a little table of dark perfumed wood thickly incrusted with nacre, a present from Lady Radley, his guardian's wife, a pretty professional invalid who had spent the preceding winter in Cairo, was lying a note from Lord Henry, and beside it was a book bound in yellow paper, the cover slightly torn and the edges soiled.
He urged the sultan to remove with the prince to a lovely little island close by, whence he could easily attend public audiences, and where the charming scenery and fine air would do the invalid so much good as to enable him to bear his father's occasional absence.
Du Bousquier retired at once, leaving six women, at the head of whom was Madame Granson, radiant with joy, to take care of the invalid.
The day following the death of Alexis Paulvitch a youth accompanying his invalid grandmother, boarded a steamer at Dover.
As to the servant, he had, as we have said, been with his master for five and twenty years, therefore he knew all his habits, and it was seldom that Noirtier found it necessary to ask for anything, so prompt was he in administering to all the necessities of the invalid.
So he was called the queen's invalid, with a pension of fifteen hundred francs.
We shall greatly miss Edmund in our small circle, but I trust and hope he will find the poor invalid in a less alarming state than might be apprehended, and that he will be able to bring him to Mansfield shortly, which Sir Thomas proposes should be done, and thinks best on every account, and I flatter myself the poor sufferer will soon be able to bear the removal without material inconvenience or injury.
They lived,--Hippolyte and his mother and the children,--in a small house not far off, and the little ones were happy, if only because they were able to escape from the invalid into the garden.
It is very good of you, Monsieur Pierre, to come and visit a poor invalid," said Anna Pavlovna, exchanging an alarmed glance with her aunt as she conducted him to her.