invalidity

[ in-vuh-lid-i-tee ]

/ ˌɪn vəˈlɪd ɪ ti /

lack of validity.

RELATED WORDS

From the Medieval Latin word invaliditās, dating back to 1540–50. See invalid², -ity

[ in-vuh-lid-i-tee ]

/ ˌɪn vəˈlɪd ɪ ti /

First recorded in 1905–10; invalid¹ + -ity

The direct tax levied in 1861 is not even suspected of invalidity.
A Compilation of the Messages and Papers of the Presidents|Grover Cleveland
The invalidity of "the principle of causality" is asserted by this author.
Christianity and Greek Philosophy|Benjamin Franklin Cocker
A rare “invalidity” this—a little confusing easy classifications.
Robert Louis Stevenson|Alexander H. Japp
In like manner the invalidity of the summons bars any charge of contempt of court and condemnation for contumacy.
The Criminal Prosecution and Capital Punishment of Animals|Edmund P. Evans

Here again it must be remarked that origin, does not carry validity or invalidity with it.
Illusions|James Sully

1540s, from Latin invalidatus (see invalid (adj.)).