Kleptomaniac (noun)

A person who has an irresistible urge to steal, especially without need or for the thrill of it.

Origin:

From greek kleptes 'thief' and mania 'madness'.

Examples:

1. The kleptomaniac was caught in the act of stealing jewelry from the store.
2. She could never resist the urge to steal, even though she knew it was wrong, she was a true kleptomaniac.
3. He had been struggling with kleptomania for years, but never sought help.
4. Kleptomaniacs typically feel a rush of excitement when they steal something, regardless of its value.
5. The judge recognized that the defendant was a kleptomaniac, but still had to sentence her for her crimes.