Legitimate vs Official

When to use each in English, with meaning, register, and examples.

Legitimate

FormalTop 2,000 (common)C1adjective

Official

FormalTop 1,000 (very common)B1adjective
Most common: Official
 LegitimateOfficial
Pronunciation🇬🇧 /["/lɪˈdʒɪtɪmət/"]/🇺🇸 /["/lɪˈdʒɪtɪmət/"]/🇬🇧 /["/əˈfɪʃl/"]/🇺🇸 /["/əˈfɪʃl/"]/
MeaningReal or acceptable; not false.Something that is formal or authorized.
Examplea legitimate grievanceThe official statement clarified the company's position on the matter.
RegisterFormalFormal
How commonTop 2,000 (common)Top 1,000 (very common)
CEFR levelC1B1
Part of speechadjectiveadjective
Collocationsbe, seem, consider something, completely, entirely, perfectly, be, seem, consider something, completely, entirely, perfectlyofficial statement, official documents, official capacity, official events, official language
Antonymsillegitimate, unjustified, fakeunofficial, informal
Common mistakesMisusing '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 'officious' which means being overly eager to help., Using 'official' in a casual context rather than in formal situations., Mistakenly spelling it as 'offical'.
Usage notesUse 'legitimate' in formal contexts to describe authenticity or legality. Avoid in very casual conversations.Use 'official' for formal documents, statements, or events. It's not suitable for casual situations. Be cautious using it in informal speech.

Frequently asked questions: Legitimate vs Official

What's the difference between Legitimate and Official?

Legitimate: Real or acceptable; not false. Official: Something that is formal or authorized.

Which is more common: Legitimate and Official?

Official is the most common in everyday English.

Are Legitimate and Official the same CEFR level?

Legitimate: C1, Official: B1 on the CEFR scale.

Can I use Legitimate and Official interchangeably?

Not always. Legitimate and Official 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.

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