Use 'purloin' when referring to stealing things that aren't very valuable. She playfully purloined her friend's pen.
Pro Tip 2/3
Sneaky Implication
'Purloin' implies that the theft was sly or secretive, not forceful. He purloined a cookie from the jar while no one was looking.
Pro Tip 3/3
Literary Usage
'Purloin' is often used in literature for a humorous or light-hearted tone. In the novel, the character purloined a love letter for a peek at its contents.