Vague
Definition 1 of 3
Pro Tip 1/3
Avoid in Details
Use 'vague' to show you're intentionally leaving out details, not because you don't know them. His description of the event was vague, avoiding specifics.
Pro Tip 2/3
Express Uncertainty
Indicate your own or others' uncertainty or indecision using 'vague'. She was vague about her weekend plans, as if unsure herself.
Pro Tip 3/3
Conceal Information
Convey that someone might be deliberately obscuring information with 'vague'. His responses were deliberately vague to prevent revealing secrets.