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Want to find out what does the word principal mean? We gathered all the possible definitions of the word principal on our website. Our definition dictionary is updated all the time with new definitions and is ready to help you.

principal

Part of speech: Adjective

First or highest in rank, value, character, degree, or importance; most important; main; chief.

Part of speech: Noun

The chief in authority; head of a firm or school; a sum of money drawing interest.

Part of speech: Adverb

Principally.

Usage examples "principal":