Word Usage

Mary W. Ng

June 26, 2009

principal, principle

Principal as a noun means “someone who is in charge of a school”. Principal as an adjective means “main”. Principle is a noun meaning “basic idea” or “a moral rule”.

Incorrect:She is the principle of the school.
Correct:She is the principal of the school.
Incorrect:The principle parts of some verbs are shown here.
Correct:The principal parts of some verbs are shown here.
Incorrect:He is a man of principals.
Correct:He is a man of principles.