Cool MateAuthentic vs Genuine vs Legitimate vs Real
When to use each in English, with meaning, register, and examples.
Authentic
Genuine
Legitimate
Real
| Authentic | Genuine | Legitimate | Real | |
|---|---|---|---|---|
| Pronunciation | 🇬🇧 /["/ɔːˈθentɪk/"]/🇺🇸 /["/ɔːˈθentɪk/"]/ | 🇬🇧 /["/ˈdʒenjuɪn/"]/🇺🇸 /["/ˈdʒenjuɪn/"]/ | 🇬🇧 /["/lɪˈdʒɪtɪmət/"]/🇺🇸 /["/lɪˈdʒɪtɪmət/"]/ | 🇬🇧 /["/ˈriːəl//rɪəl/"]/🇺🇸 /["/ˈriːəl/"]/ |
| Meaning | Real and true; not fake. | Real and honest, not fake. | Real or acceptable; not false. | Something that exists or is true, not fake. |
| Example | I don't know if the painting is authentic. | Is the painting a genuine Picasso? | a legitimate grievance | The cake looks real, but it is actually made of plastic. |
| Register | Neutral | Neutral | Formal | Neutral |
| How common | Top 2,000 (common) | Top 2,000 (common) | Top 2,000 (common) | Top 1,000 (very common) |
| CEFR level | C1 | B2 | C1 | A1 |
| Part of speech | adjective | adjective | adjective | adjective |
| Collocations | authentic experience, authentic materials, authentic voice, authentic culture | be, look, prove, absolutely, completely, entirely, appear, be, look, really, truly, very | be, seem, consider something, completely, entirely, perfectly, be, seem, consider something, completely, entirely, perfectly | be, look, seem, all too, very, frighteningly, real and/or imaginary, real and/or imagined, be, look, seem, all too, very, frighteningly, real and/or imaginary, real and/or imagined |
| Antonyms | fake, false, counterfeit | fake, false, insincere | illegitimate, unjustified, fake | fake, false, imaginary |
| Common mistakes | Confusing 'authentic' with 'authoritative', Using 'authentic' inappropriately in place of 'actual', Mispronouncing it as 'authen-tic' instead of 'aw-then-tic' | Confused with 'generous' as they sound similar., Using 'genuine' to describe something that is not a real object (like a feeling). | 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 'really' when describing intensity., 'Real' used incorrectly as a verb., Used in place of 'genuine' to describe people. |
| 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 'genuine' to describe people, feelings, or items that are true and authentic. It's appropriate in both spoken and written English, particularly in discussions about character or quality. Avoid using it in overly casual settings. | Use 'legitimate' in formal contexts to describe authenticity or legality. Avoid in very casual conversations. | Used to describe authenticity or truth. It's appropriate in most contexts but can sound overly emphatic if used in casual conversation. For example, saying 'Is this real?' is common, while 'This is real!' may seem dramatic. |
See it in real clips
Frequently asked questions: Authentic vs Genuine vs Legitimate vs Real
What's the difference between Authentic, Genuine, Legitimate, and Real?
Authentic: Real and true; not fake. Genuine: Real and honest, not fake. Legitimate: Real or acceptable; not false. Real: Something that exists or is true, not fake.
Which is more formal: Authentic, Genuine, Legitimate, and Real?
Legitimate is the most formal of these.
Which is more common: Authentic, Genuine, Legitimate, and Real?
Real is the most common in everyday English.
Are Authentic, Genuine, Legitimate, and Real the same CEFR level?
Authentic: C1, Genuine: B2, Legitimate: C1, Real: A1 on the CEFR scale.
What part of speech are Authentic, Genuine, Legitimate, and Real?
Authentic: adjective, Genuine: adjective, Legitimate: adjective, Real: adjective.
Can you show an example of each?
Authentic: I don't know if the painting is authentic. Genuine: Is the painting a genuine Picasso? Legitimate: a legitimate grievance Real: The cake looks real, but it is actually made of plastic.
Can I use Authentic, Genuine, Legitimate, and Real interchangeably?
Not always. Authentic, Genuine, Legitimate, and Real 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.