Allow vs Authorize vs Permit

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

Allow

Top 1,000 (very common)A2verb

Authorize

FormalTop 2,000 (common)C1verb

Permit

Top 2,000 (common)B2verb
Most formal: AuthorizeMost common: Allow
 AllowAuthorizePermit
Pronunciation🇬🇧 /["/əˈlaʊ/","/əˈlaʊz/","/əˈlaʊd/","/əˈlaʊɪŋ/"]/🇺🇸 /["/əˈlaʊ/","/əˈlaʊz/","/əˈlaʊd/","/əˈlaʊɪŋ/"]/🇬🇧 /["/ˈɔːθəraɪz/","/ˈɔːθəraɪzɪz/","/ˈɔːθəraɪzd/","/ˈɔːθəraɪzɪŋ/"]/🇺🇸 /["/ˈɔːθəraɪz/","/ˈɔːθəraɪzɪz/","/ˈɔːθəraɪzd/","/ˈɔːθəraɪzɪŋ/"]/🇬🇧 /["/pəˈmɪt/","/pəˈmɪts/","/pəˈmɪtɪd/","/pəˈmɪtɪŋ/"]/🇺🇸 /["/pərˈmɪt/","/pərˈmɪts/","/pərˈmɪtɪd/","/pərˈmɪtɪŋ/"]/
Meaningto let someone do somethingTo give permission or power to do something.To allow something to happen.
ExamplePlease allow me to explain my point of view.I can authorize payments up to £5 000.The teacher will permit students to leave early if they finish their exams on time.
RegisterNeutralFormalNeutral
How commonTop 1,000 (very common)Top 2,000 (common)Top 2,000 (common)
CEFR levelA2C1B2
Part of speechverbverbverb
Collocationsallow access, allow time, allow someone to do something, allow for mistakes, allow roomauthorize access, authorize a transaction, authorize a request, authorize changeslegally, generally, normally, refuse to, be designed to, legally, generally, normally, refuse to, be designed to
Antonymsforbid, prohibit, restrictprohibit, forbid, disallowforbid, prohibit, ban
Common mistakesUsing 'allow' without an object (e.g., say 'allow me to help' instead of just 'allow')., Confusing 'allow' with 'let' - 'let' is more informal., Mixing up the structure, such as omitting 'to' before the verb.Confusing 'authorize' with 'authentic' as they have different meanings., Using 'authorize' without an object when it needs one (e.g., 'authorize access' not just 'authorize')., Mixing up 'authorize' with 'permit', which can have slightly different uses.Confused with 'allow' - 'permit' is often more formal., Using 'permit' incorrectly in passive voice without clear subject., Using 'permit' without an object, forgetting what is being permitted.
Usage notesUse 'allow' in contexts where you are giving permission. It's appropriate in both spoken and written English, but for severe situations or commands, consider using stronger words like 'permit'. Avoid using it in very casual exchanges.Use 'authorize' in formal settings when discussing permission or approval, such as in business, law, or official documents. Avoid in casual conversations.Use 'permit' in formal contexts, such as legal or official situations. It's less common in casual conversation, where 'let' might be more appropriate.

See it in real clips

Allow
Permit

Frequently asked questions: Allow vs Authorize vs Permit

What's the difference between Allow, Authorize, and Permit?

Allow: to let someone do something Authorize: To give permission or power to do something. Permit: To allow something to happen.

Which is more formal: Allow, Authorize, and Permit?

Authorize is the most formal of these.

Which is more common: Allow, Authorize, and Permit?

Allow is the most common in everyday English.

Which is more advanced: Allow, Authorize, and Permit?

Authorize is the highest level, at C1, on the CEFR scale.

Are Allow, Authorize, and Permit the same CEFR level?

Allow: A2, Authorize: C1, Permit: B2 on the CEFR scale.

What part of speech are Allow, Authorize, and Permit?

Allow: verb, Authorize: verb, Permit: verb.

Can you show an example of each?

Allow: Please allow me to explain my point of view. Authorize: I can authorize payments up to £5 000. Permit: The teacher will permit students to leave early if they finish their exams on time.

Can I use Allow, Authorize, and Permit interchangeably?

Not always. Allow, Authorize, and Permit 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.

Related comparisons