'Invalidity' definitions:
Definition of 'invalidity'
From: WordNet
noun
Illogicality as a consequence of having a conclusion that does not follow from the premisses [syn: invalidity, invalidness]
Definition of 'Invalidity'
From: GCIDE
- Invalidity \In`va*lid"i*ty\, n. [Cf. F. invalidit['e], LL. invaliditas lack of health.] [1913 Webster]
- 1. Lack of validity or cogency; lack of legal force or efficacy; invalidness; as, the invalidity of an agreement or of a will. [1913 Webster]
- 2. Lack of health; infirmity. [Obs.] --Sir W. Temple. [1913 Webster]