invalidity
Definitions
The quality or state of being legally or factually null and void.
The condition of being logically unsound or based on incorrect reasoning.
The state of being weak, infirm, or lacking in physical health.
Examples
The lawyer argued for the invalidity of the contract due to a lack of proper signatures.
The invalidity of the scientific study was exposed after researchers discovered significant flaws in the data collection process.
Synonyms
nullity voidness illegitimacy inaccuracy fallaciousness untenability falsity
Antonyms
validity legitimacy correctness soundness truth accuracy cogency