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PRINCIPAL meaning: 1. first in order of importance: 2. the person in charge of a school 3. the person in charge of a…. Learn more.

Principal Financial Group, Inc. (PFG) is an American global financial investment management and insurance company headquartered in Des Moines, Iowa, United States.

One of the principals in the assassination plot has been arrested. Do not confuse principal with principle.

The principal of a school, or in Britain the principal of a college, is the person in charge of the school or college.

a sum of money, not counting interest or profit on it: [uncountable] trying to pay off at least part of the principal. [countable * usually singular] a principal of about $20,000.

Definition of principal adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

The word, principal, comes from the Latin principalis "first in importance" and is related to the title of prince. You can see the relation when you think about its meanings — the head of a school, the …

Dec 14, 2025 · Discover the essential roles and responsibilities of a company principal, from leadership to strategic planning, to effectively guide your business or investments.

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