vague

/veɪɡ/
adjective
  1. Not clear, definite, or specific; uncertain in meaning or detail.
    • I have a vague memory of visiting that beach when I was very young.
    • The instructions were too vague, so I had to guess what to do next.
    • She gave a vague answer when I asked what time she would arrive.
  2. Not thinking or expressing clearly; absent-minded or dreamy.
    • After staying up all night, she felt vague and couldn't focus on the meeting.
    • The professor had a vague expression, as if his mind was somewhere else.
    • He looked vague and confused when the teacher called on him.