Noun: validity vu'li-di-tee
- The quality of being valid and rigorous
"The validity of the study was questioned";
- cogency, rigor [US], rigour [Brit, Cdn]
- The quality of having legal force or effectiveness
"The validity of the will was challenged by the deceased's relatives";
- validness
Derived forms: validities
Type of: believability, credibility, credibleness, legality, legalness [rare]
Encyclopedia: Validity