Cool MateAuthentic vs Legitimate
When to use each in English, with meaning, register, and examples.
Authentic
Top 2,000 (common)C1adjective
Legitimate
FormalTop 2,000 (common)C1adjective
Most formal: Legitimate
| Authentic | Legitimate | |
|---|---|---|
| Pronunciation | 🇬🇧 /["/ɔːˈθentɪk/"]/🇺🇸 /["/ɔːˈθentɪk/"]/ | 🇬🇧 /["/lɪˈdʒɪtɪmət/"]/🇺🇸 /["/lɪˈdʒɪtɪmət/"]/ |
| Meaning | Real and true; not fake. | Real or acceptable; not false. |
| Example | I don't know if the painting is authentic. | a legitimate grievance |
| Register | Neutral | Formal |
| How common | Top 2,000 (common) | Top 2,000 (common) |
| CEFR level | C1 | C1 |
| Part of speech | 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 |
| Antonyms | fake, false, counterfeit | illegitimate, unjustified, fake |
| 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. |
| 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. |
Frequently asked questions: Authentic vs Legitimate
What's the difference between Authentic and Legitimate?
Authentic: Real and true; not fake. Legitimate: Real or acceptable; not false.
Which is more formal: Authentic and Legitimate?
Legitimate is the most formal of these.
Are Authentic and Legitimate the same CEFR level?
Authentic: C1, Legitimate: C1 on the CEFR scale.
Can I use Authentic and Legitimate interchangeably?
Not always. Authentic and Legitimate 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.