Noun

1. the property of being viable; the ability to live or to succeed
   • 1904, Hugo DeVries, Species and Varieties, Their Origin by Mutation

     Ordinarily these altered organs are sterile, but in some instances a very small quantity of seed is produced, and when testing their viability I succeeded in raising a few plants from them.

   • 1980, Jimmy Carter, State of the Union Address

     In making its grants the Endowment will increase its emphasis on techniques which stimulate support for the humanities from non-Federal sources, in order to reinforce our tradition of private philanthropy in this field, and to insure and expand the financial, viability of our cultural institutions and life.

Usage notes

• Viability is a false friend in Italian, and it does not mean "viabilità".