inquisitive
US /ɪnˈkwɪz.ə.t̬ɪv/
UK /ɪnˈkwɪz.ə.t̬ɪv/

1.
having or showing an interest in learning things; curious
:
•
She has an inquisitive mind and loves to ask questions.
•
The child was very inquisitive about how the toy worked.
2.
unduly curious about the affairs of others; prying
:
•
My neighbor is too inquisitive about my personal life.
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She gave me an inquisitive look, trying to guess what I was thinking.