shark
UK[ʃɑːk]US[ʃɑːrk]
n
a large sea fish with a pointed fin on its back and sharp teeth
n
a person who is dishonest, especially by tricking others out of money
v
to live by obtaining money from people in a dishonest or unfair way
Etymology
the origin of the word 'shark' is obscure and debated. it likely entered english from a foreign source, with one strong candidate being the german word 'schurke', meaning a scoundrel or villain, which was applied to the fish by sailors. another possibility is that it derives from the mayan word 'xoc', meaning 'fish'. the word's application to a dishonest person, particularly a swindler or loan shark, followed naturally from the predatory reputation of the fish, creating a powerful metaphorical link between the animal's behavior and human deceit.
Analysis
the word 'shark' is a simplex word of uncertain origin. it first appeared in english in the late 16th century. its functional role is as a complete lexical root.
Examples
a shark's fin was spotted cutting through the water near the shore.
he was known in the business world as a ruthless shark who would exploit any weakness.
they were accused of sharking money from vulnerable immigrants.