Sketchiness
/ˈsketʃinəs/
Definition 1 of 2
Pro Tip 1/3Lack of Detail
Used when information is incomplete or too general, making it hard to understand. 
The sketchiness of the event timeline made it difficult to follow.
Pro Tip 2/3Need for Clarity
Indicates that more specific information or clarification is required. 
His explanation had a sketchiness that left everyone confused.
Pro Tip 3/3Initial Stages
Often applies to ideas or plans that are in early development and not fully formed. 
The project's sketchiness means it's too soon to judge its potential.