Cool MateLegitimacy vs Validity
When to use each in English, with meaning, register, and examples.
Legitimacy
FormalTop 5,000 (fairly common)
Validity
FormalTop 5,000 (fairly common)C1noun
| Legitimacy | Validity | |
|---|---|---|
| Pronunciation | 🇬🇧 //lɪˈdʒɪtɪməsi//🇺🇸 //lɪˈdʒɪtəməsi// | 🇬🇧 /["/vəˈlɪdəti/"]/🇺🇸 /["/vəˈlɪdəti/"]/ |
| Meaning | The quality of being accepted as true or valid. | how true or acceptable something is |
| Example | The legitimacy of the election was questioned by many observers. | The period of validity of the agreement has expired. |
| Register | Formal | Formal |
| How common | Top 5,000 (fairly common) | Top 5,000 (fairly common) |
| CEFR level | - | C1 |
| Part of speech | noun | |
| Collocations | gain legitimacy, question legitimacy, establish legitimacy, challenges to legitimacy, legitimacy crisis | great, equal, doubtful, have, give something, lend something, of… validity, validity for, great, equal, doubtful, have, give something, lend something, of… validity, validity for |
| Antonyms | illegitimacy, disreputability, unreliability | invalidity, falseness |
| Common mistakes | Confusing 'legitimacy' with 'legitimate' as an adjective., Using 'legitimacy' in informal contexts where simpler words could work., Overusing the term in discussions when simpler synonyms are more appropriate. | Confused with 'valid' which is an adjective., Using 'validity' in a casual context., Mispronouncing it with emphasis on the second 'a' instead of the first. |
| Usage notes | Used in legal, political, and academic contexts. Not typically used in casual conversation. | Use 'validity' in academic or legal contexts. Avoid in casual conversations as it sounds too formal. |
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Frequently asked questions: Legitimacy vs Validity
What's the difference between Legitimacy and Validity?
Legitimacy: The quality of being accepted as true or valid. Validity: how true or acceptable something is
Can you show an example of each?
Legitimacy: The legitimacy of the election was questioned by many observers. Validity: The period of validity of the agreement has expired.
Can I use Legitimacy and Validity interchangeably?
Not always. Legitimacy and Validity 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.