Offensively curious or inquisitive. Synonyms:nosey, prying, snoopy."He flipped through my letters in his nosy way" , "Prying eyes" , "The snoopy neighbor watched us all day"
... stumbling over that damn feller, Baxter!" The manservant and the maidservant within the gates, like Miss Willoughby, employing that crisp gift for characterization which is the property of the English lower orders, described him as a Nosy Parker. ... — Something New • Pelham Grenville Wodehouse