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principal

noun · adjective

Simple meaning

The main, most important part of something, or the head of a school

Pronunciation

Say it like this:

prinsuhpuhl

Say the bold part a little louder.

US device voice
IPA pronunciation (US)

ˈpɹɪnsəpəl

This word is pronounced essentially the same in American and British English, so one transcription covers both.

IPA (International Phonetic Alphabet) is a standard way of writing speech sounds.

Word Review

Definition

Everyday modern meanings first, grouped by part of speech.

noun

  1. financeuncountable

    The original amount of a debt on which interest is calculated

  2. financeuncountable

    The money originally invested or loaned, on which basis interest and returns are calculated.

  3. ukcanada

    The chief executive and chief academic officer of a university or college.

  4. A main character or lead actor.

  5. CanadaUSAustraliaNew ZealandPhilippines

    The chief administrator of a school.

  6. The first two long feathers of a hawk's wing.

adjective

  1. Primary; most important; first level in importance.

Word at a Glance

Difficulty
A2 · Elementary
Frequency
Common
Typical Use
Everyday English

Word Aura™

How this word commonly comes across.

Aura for this meaning

This meaning: Primary; most important; first level in importance.

Used this way, principal is a reasonably familiar word that usually carries little praise or criticism of its own. It suits considered writing and prepared speech.

Emotional tone
Neutral
Formality
Neutral
Intensity
Not strongly marked
How common
Moderately common
Connotation
Serious and weighty
Usage feel
Formal and precise

Word Aura describes common impressions, not a measurement. Tone changes with sentence, speaker, relationship and situation.

More ways to use principal

  • “She sent unruly pupils to see the principal.”noun

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Common Patterns and Combinations

How this word naturally appears with others.

principal partschool principaltwo principalthree principalprincipal actprincipal sourceprincipal objectprincipal cause

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Word Family

Related forms, grouped by how they connect.

Word family

Words built from the same root.

Compound terms

Established multiword terms.

  • principal investigatornounCompound term

    The scientist in charge of an experiment or research project.

  • principal diagonalnounCompound term

    The diagonal of a square matrix running from the upper left entry to the lower right entry.

  • principal axisnounCompound term

    A line that passes through the center of curvature of a lens so that light is neither reflected nor refracted.

  • school principalnounCompound term

    The educator who has executive authority for a school.

More about this wordSynonyms, forms, origin

Synonyms

Sense: primary

Commonly Confused With

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Dictionary data from Wiktionary via the Free Dictionary API. Simple meanings, combinations and word intelligence are built from verified reference data, no AI is used to load this page.