offensively curious or inquisitive; "curious about the neighbor's doings"; "he flipped through my letters in his nosy way"; "prying eyes"; "the snoopy neighbor watched us all day"
inquire into; "the students had to research the history of the Second World War for their history project"; "He searched for information on his relatives on the web"; "Scientists are exploring the nature of consciousness"
attempt to find out in a systematically and scientific manner; "The student researched the history of that word"