principal
word
Definition
Something principal is the main or most important part of something. As a noun, it can also mean the head of a school or the original amount of money in a loan or investment.
Usage & Nuances
Most commonly, "principal" means "main" or "most important" in formal or neutral English: "the principal reason", "the principal problem". As a school noun, it is mainly used in American English; British English more often uses "headteacher" or "headmaster/headmistress". Do not confuse it with "principle", which means a rule or belief.
Example Sentences
The principal door is at the front of the building.
basic
I had to meet with the principal after my son got into trouble at school.
natural
Most of your payment goes toward interest at first, not the principal.
natural
Her principal reason for leaving was money.
basic
The principal spoke to the students this morning.
basic
Our principal concern right now is keeping everyone safe.
natural