Beware this type of person
- not clearly or explicitly stated or expressed: vague promises.
- indefinite or indistinct in nature or character, as ideas or feelings: a vague premonition of disaster.
- not clear or distinct to the sight or any other sense; perceptible or recognizable only in an indefinite way: vague shapes in the dark; vague murmurs behind a door.
- not definitely established, determined, confirmed, or known; uncertain: a vague rumor; The date of his birth is vague.