A petty criminal is someone who commits minor offenses, such as theft or fraud. The term 'petty criminal' can be broken down into three words: SPIV (4 letters), THIEF (5 letters), and PICKPOCKET (10 letters). A SPIV is a person who engages in shady or illegal activities, such as selling stolen goods. A THIEF is someone who steals property without permission. A PICKPOCKET is someone who steals from people's pockets or purses without them noticing.