جَاسُوسٌ
(tropical:) A spy, who searches for, and brings, information, news, or tidings: (S, * Msb, * TA:) or one who is acquainted with private affairs of an evil nature: as also
جَسِيسٌ (K) [and
جَسَّاسٌ:] and نَامُوسٌ signifies one who is acquainted with private affairs of a good nature: (TA:) plural جَوَاسِيسُ. (A.)