Cool MateAuthentic vs Legitimate vs True
When to use each in English, with meaning, register, and examples.
Authentic
Legitimate
True
| Authentic | Legitimate | True | |
|---|---|---|---|
| Pronunciation | 🇬🇧 /["/ɔːˈθentɪk/"]/🇺🇸 /["/ɔːˈθentɪk/"]/ | 🇬🇧 /["/lɪˈdʒɪtɪmət/"]/🇺🇸 /["/lɪˈdʒɪtɪmət/"]/ | 🇬🇧 /["/truː/"]/🇺🇸 /["/truː/"]/ |
| Meaning | Real and true; not fake. | Real or acceptable; not false. | Correct or real; not false. |
| Example | I don't know if the painting is authentic. | a legitimate grievance | The story is true, and I believe every word of it. |
| Register | Neutral | Formal | Neutral |
| How common | Top 2,000 (common) | Top 2,000 (common) | Top 1,000 (very common) |
| CEFR level | C1 | C1 | A1 |
| Part of speech | adjective | adjective | adjective |
| Collocations | authentic experience, authentic materials, authentic voice, authentic culture | be, seem, consider something, completely, entirely, perfectly, be, seem, consider something, completely, entirely, perfectly | be, ring, seem, especially, particularly, very, be, feel, remain, absolutely, to, true to your word |
| Antonyms | fake, false, counterfeit | illegitimate, unjustified, fake | false, untrue, incorrect |
| Common mistakes | Confusing 'authentic' with 'authoritative', Using 'authentic' inappropriately in place of 'actual', Mispronouncing it as 'authen-tic' instead of 'aw-then-tic' | Misusing 'legitimate' when 'legit' is more appropriate in slang contexts., Confusing with 'illegitimate' without understanding its negative connotation., Using 'legitimate' as a verb instead of as an adjective. | Confused with 'truly' as an adverb., 'True' is often misspelled as 'tru'., Used the phrase 'true in' instead of 'true to'. |
| Usage notes | Use 'authentic' when something is genuine or original. It is appropriate in both casual and formal contexts; however, avoid using it in overly casual settings. | Use 'legitimate' in formal contexts to describe authenticity or legality. Avoid in very casual conversations. | Used when confirming the accuracy of something. Appropriate in both casual and serious contexts. Avoid in overly casual settings when it may sound too blunt. |
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Frequently asked questions: Authentic vs Legitimate vs True
What's the difference between Authentic, Legitimate, and True?
Authentic: Real and true; not fake. Legitimate: Real or acceptable; not false. True: Correct or real; not false.
Which is more formal: Authentic, Legitimate, and True?
Legitimate is the most formal of these.
Which is more common: Authentic, Legitimate, and True?
True is the most common in everyday English.
Are Authentic, Legitimate, and True the same CEFR level?
Authentic: C1, Legitimate: C1, True: A1 on the CEFR scale.
What part of speech are Authentic, Legitimate, and True?
Authentic: adjective, Legitimate: adjective, True: adjective.
Can you show an example of each?
Authentic: I don't know if the painting is authentic. Legitimate: a legitimate grievance True: The story is true, and I believe every word of it.
Can I use Authentic, Legitimate, and True interchangeably?
Not always. Authentic, Legitimate, and True are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.