1. To gain, or to acquire, something by superior strength or skill: The football team plundered four goals and so easily won the game.
2. To take illegally with reference to intellectual property: The writer was accused of plundering from several famous authors.
3. To rob a place, or the people living there, or to steal goods using violence and often causing damage; especially, in wartime or during civil unrest: The village was plundered by the invading army.
4. To rob a place, or to steal goods or money, by fraudulent means: The scam artist plundered the savings accounts of several elderly people by convincing them to trust her with their credit card numbers.
5. Etymology: from Middle High German; originally, "to take away household furniture", from plunder, "household goods, and clothes".

Plunder now normally means property stolen by soldiers during a war.