Allow vs Authorize vs Do we let him stay 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

Do we let him stay

Top 1,000 (very common)

Permit

Top 2,000 (common)B2verb
Most formal: Authorize
 AllowAuthorizeDo we let him stayPermit
Pronunciation🇬🇧 /["/əˈlaʊ/","/əˈlaʊz/","/əˈlaʊd/","/əˈlaʊɪŋ/"]/🇺🇸 /["/əˈlaʊ/","/əˈlaʊz/","/əˈlaʊd/","/əˈlaʊɪŋ/"]/🇬🇧 /["/ˈɔːθəraɪz/","/ˈɔːθəraɪzɪz/","/ˈɔːθəraɪzd/","/ˈɔːθəraɪzɪŋ/"]/🇺🇸 /["/ˈɔːθəraɪz/","/ˈɔːθəraɪzɪz/","/ˈɔːθəraɪzd/","/ˈɔːθəraɪzɪŋ/"]/🇬🇧 //lɛt hɪm steɪ//🇺🇸 //lɛt hɪm steɪ//🇬🇧 /["/pəˈmɪt/","/pəˈmɪts/","/pəˈmɪtɪd/","/pəˈmɪtɪŋ/"]/🇺🇸 /["/pərˈmɪt/","/pərˈmɪts/","/pərˈmɪtɪd/","/pərˈmɪtɪŋ/"]/
Meaningto let someone do somethingTo give permission or power to do something.Allow him to remain.To allow something to happen.
ExamplePlease allow me to explain my point of view.I can authorize payments up to £5 000.Do we let him stay for dinner?The teacher will permit students to leave early if they finish their exams on time.
RegisterNeutralFormalNeutralNeutral
How commonTop 1,000 (very common)Top 2,000 (common)Top 1,000 (very common)Top 2,000 (common)
CEFR levelA2C1-B2
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 changeslet someone stay, let him stay, let them staylegally, generally, normally, refuse to, be designed to, legally, generally, normally, refuse to, be designed to
Antonymsforbid, prohibit, restrictprohibit, forbid, disallow-forbid, 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.Confusing 'let' with 'allow' in formal contexts., Using the wrong verb form after 'let'., Overusing in formal writing.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 'let' in informal contexts to indicate permission; it's less formal than 'permit'.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
Do we let him stay
Permit

Frequently asked questions: Allow vs Authorize vs Do we let him stay vs Permit

What's the difference between Allow, Authorize, Do we let him stay, and Permit?

Allow: to let someone do something Authorize: To give permission or power to do something. Do we let him stay: Allow him to remain. Permit: To allow something to happen.

Which is more formal: Allow, Authorize, Do we let him stay, and Permit?

Authorize is the most formal of these.

Which is more advanced: Allow, Authorize, Do we let him stay, and Permit?

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

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. Do we let him stay: Do we let him stay for dinner? Permit: The teacher will permit students to leave early if they finish their exams on time.

Can I use Allow, Authorize, Do we let him stay, and Permit interchangeably?

Not always. Allow, Authorize, Do we let him stay, 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