Define spyware
SPY: One who keeps secret watch on a person or thing to obtain information.
WARE: Pertaining to or being something that accomplishes a task, esp. pertaining to computer programs or components.
sorry if i seem rude. just tryin to help. It is basically a piece of software, usually bundled with other software, that is loaded or installed without the user's consent or knowledge, displaying ads or gathering personal information to be used exterior to the local machine.