Doubtfulness in a sentence as a noun

Leading up to it, though, and after it I have had some of the worst thoughts, doubtfulness, strife, pain, and headaches that I have ever felt.

Doubtfulness definitions

noun

the state of being unsure of something

See also: doubt uncertainty incertitude dubiety dubiousness

noun

uncertainty about the truth or factuality or existence of something; "the dubiousness of his claim"; "there is no question about the validity of the enterprise"

See also: doubt dubiousness question