inquisitive (adj.)
- agape
- agog
- analytical
- busy
- curious
- forward
- ghoulish
- gossipy
- impertinent
- inquiring
- inquisitorial
- interested
- intrusive
- investigative
- itchy
- meddlesome
- meddling
- morbid
- nosy
- officious
- open-eyed
- openmouthed
- overcurious
- presumptuous
- probing
- prurient
- prying
- pushy
- questioning
- quizzical
- searching
- self-appointed
- snoopy
- voyeuristic