kingpin
Kingpin (noun) means the most important person in an organization, especially one running a large criminal enterprise. Example: “Police finally arrested the drug kingpin after years of investigation.”
How to use kingpin
Learner’s notesIn plain EnglishThe main, most important figure running an operation (often criminal), or a central pivot bolt in machinery/bowling.
Word forms
- Plural
- kingpins
Fill the gap
Can you complete this real example?
Police finally arrested the drug _____ after years of investigation.
Etymology
A compound of "king" and "pin" — originally a literal mechanical part, later extended to mean a central, indispensable figure.