Not governed by or based on reason:
A person suffering from pulmonary tuberculosis.
A person having tuberculosis.
Having no basis in fact; unfounded
Void means empty or useless or having no legal force.
The definition of null is a zero value, or is something that is no longer valid or relevant.
Having sufficient worth; deserving:
Uttering falsehood; dishonest or deceitful.
Contrary to conscience, morality, or law:
Not authorized by law; illegal.
Not safe, firm, or solid; insecure
Chronically ailing; sickly.
To cancel out
To repeal is defined as to formally withdraw, or to take something back.
(Law) To allege to be of unsound mind and therefore not legally responsible
To vitiate is to corrupt, invalidate or weaken morally.
Having good health; well; sound
Correctly inferred or deduced from a premise:
Important or valuable enough to repay time or effort spent; of true value
Compatible with an accepted point of view; orthodox:
Tending to mislead; deceptive:
The definition of spurious is something that is not true.
Free from error or fault; true or accurate.
Handicap is defined as to cause a disadvantage.
A person who is convalescing
One who cannot be cured.
To make unable or unfit; esp., to make incapable of normal activity; disable
To make invalid; deprive of legal force
Find another word for invalid. In this page you can discover 65 synonyms, antonyms, idiomatic expressions, and related words for invalid, like: shut in, unfounded, unreasonable, inauthentic, consumptive, tubercular, baseless, worthless, illogical, void and patient.