cleptomaniac
/klɛˌtɒməˈneɪək/Definitions
1. noun
a person who has an irresistible urge to steal, often without being able to control their behavior
“The judge struggled to find the right sentence for the convicted cleptomaniac.”
2. noun
a person who has a psychological compulsion to steal
“The psychiatrist worked with the patient to help manage her symptoms of kleptomania, or cleptomania.”
3. adjective
characterized by kleptomania or an irresistible urge to steal
“The shop owner was frustrated with the cleptomaniac behavior of some of their customers.”