noun
a sum of money lent or invested, on which interest is paid
adjective
first or highest in rank, importance, value, etc.; chief; foremost
-
The principal of the school is responsible for overseeing the daily operations.
-
I heard the principal is retiring next year.
-
The principal is cool, he lets us have extra recess sometimes.
-
In this story, the principal character faces many challenges but ultimately triumphs.