principal
🇺🇸
/ˈprɪnsəpl/
🇬🇧
/ˈprɪnsəpl/
most important; main
The principal reason for the delay is bad weather.
the head of a college or university
The college principal announced new rules.
the head of a school
The school principal spoke to the students.
money that is lent or invested
You must pay back the principal and interest.
the main actor in a play or opera
The principal actor was excellent in the play.
a person you represent in business or law
The lawyer acts for the principal in court.