"Principal" vs "principle" - what's the difference?
"Principal" means main or a person in charge. "Principle" means a fundamental rule or belief. Here's how to always get them right.
- "The principal reason for the delay." (main reason)
- "The school principal." (person in charge)
- "The principal investor." (main/lead)
- "The principles of democracy."
- "She refused on principle." (based on her beliefs)
- "The principle of fairness."
- "The guiding principles of the organisation."
Memory tricks
- princip-A-l has an A β think of "main" or a person (the princip-A-l of a school)
- principle ends in -le β think of a "rule" (both end in similar sound)
Common phrases
- "In principle" = in theory, as a concept: "I agree in principle."
- "A man of principle" = someone with strong personal ethics.
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Both are neutral. The confusion is almost entirely a spelling issue.
Frequently asked
What's the difference between "Principal" and "principle"?
"Principal" means main or a person in charge. "Principle" means a fundamental rule or belief. Here's how to always get them right.
Is "Principal vs principle" formal or informal?
Both are neutral. The confusion is almost entirely a spelling issue.
Mixing up similar words is one of the most common learner mistakes.
LLH Tutor explains tricky word pairs like this one so the difference finally sticks.
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