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The meaning of PRINCIPAL is most important, consequential, or influential : chief. How to use principal in a sentence.

PRINCIPAL definition: first or highest in rank, importance, value, etc.; chief; foremost. See examples of principal used in a sentence.

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.

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

Jul 29, 2025 · "Principal" refers to the primary leader, the main financial amount, or the most significant aspect in various contexts. Understanding the term's use and flexibility is important for clear …

Principal is both a noun and an adjective. As a noun, it has specialized meanings in law and finance, but in general usage it refers to a person who holds a high position or plays an important role: a meeting …

There are 41 meanings listed in OED's entry for the word principal, 12 of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

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 …

Principal can be both a noun and an adjective referring to something very important, or frequently, the head of a school. Read on for tricks to remember the difference.