1. The plural of doubtfulness; instances or qualities of being uncertain, questionable, or not clearly true or reliable.
Usage: Plural form; typically used in formal or academic contexts when referring to multiple instances or aspects of doubt or uncertainty.

Examples

• The doubtfulnesses surrounding the witness's testimony made the jury hesitant to convict.
• Several doubtfulnesses in the research methodology were raised during peer review.
• The doubtfulnesses of the plan became apparent once we examined the budget more closely.
• Despite the doubtfulnesses expressed by critics, the project moved forward.
• The report acknowledged various doubtfulnesses in the data collection process.