Allow vs Authorize

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

Allow

Top 1,000 (very common)A2verb

Authorize

FormalTop 2,000 (common)C1verb
Most formal: AuthorizeMost common: Allow
 AllowAuthorize
Pronunciation🇬🇧 /["/əˈlaʊ/","/əˈlaʊz/","/əˈlaʊd/","/əˈlaʊɪŋ/"]/🇺🇸 /["/əˈlaʊ/","/əˈlaʊz/","/əˈlaʊd/","/əˈlaʊɪŋ/"]/🇬🇧 /["/ˈɔːθəraɪz/","/ˈɔːθəraɪzɪz/","/ˈɔːθəraɪzd/","/ˈɔːθəraɪzɪŋ/"]/🇺🇸 /["/ˈɔːθəraɪz/","/ˈɔːθəraɪzɪz/","/ˈɔːθəraɪzd/","/ˈɔːθəraɪzɪŋ/"]/
Meaningto let someone do somethingTo give permission or power to do something.
ExamplePlease allow me to explain my point of view.I can authorize payments up to £5 000.
RegisterNeutralFormal
How commonTop 1,000 (very common)Top 2,000 (common)
CEFR levelA2C1
Part of speechverbverb
Collocationsallow access, allow time, allow someone to do something, allow for mistakes, allow roomauthorize access, authorize a transaction, authorize a request, authorize changes
Antonymsforbid, prohibit, restrictprohibit, forbid, disallow
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.
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.

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Allow

Frequently asked questions: Allow vs Authorize

What's the difference between Allow and Authorize?

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

Which is more formal: Allow and Authorize?

Authorize is the most formal of these.

Which is more common: Allow and Authorize?

Allow is the most common in everyday English.

Which is more advanced: Allow and Authorize?

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

Are Allow and Authorize the same CEFR level?

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

What part of speech are Allow and Authorize?

Allow: verb, Authorize: 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.

Can I use Allow and Authorize interchangeably?

Not always. Allow and Authorize 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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