dubiety

noun2

1. •
   Doubtfulness.

   • Graham fell in with the scheme without a murmur of dubiety or dissent. — 1906
2. •
   A particular instance of doubt or uncertainty.

   • And yet these grim old walls are not a dilettantism and dubiety; they are an earnest fact. It was a most real and serious purpose they were built for! — 1843