Allow vs Let him do that

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

Allow

Top 1,000 (very common)A2verb

Let him do that

Top 2,000 (common)
Most common: Allow
 AllowLet him do that
Pronunciation🇬🇧 /["/əˈlaʊ/","/əˈlaʊz/","/əˈlaʊd/","/əˈlaʊɪŋ/"]/🇺🇸 /["/əˈlaʊ/","/əˈlaʊz/","/əˈlaʊd/","/əˈlaʊɪŋ/"]/🇬🇧 //lɛt hɪm duː ðæt//🇺🇸 //lɛt hɪm du ðæt//
Meaningto let someone do somethingAllow him to do that.
ExamplePlease allow me to explain my point of view.I will let him do that if he asks nicely.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 2,000 (common)
CEFR levelA2-
Part of speechverb
Collocationsallow access, allow time, allow someone to do something, allow for mistakes, allow roomlet him go, let her try, let them know, let me see, let us help
Antonymsforbid, prohibit, restrict-
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 'let' with 'make' - 'let' is permission, 'make' is force., Using 'letting' incorrectly, as in 'let him doing that.', Omitting 'him' and saying 'let do that.'
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.Used to give permission; suitable in informal or neutral contexts. Avoid in formal writing.

See it in real clips

Allow
Let him do that

Frequently asked questions: Allow vs Let him do that

What's the difference between Allow and Let him do that?

Allow: to let someone do something Let him do that: Allow him to do that.

Which is more common: Allow and Let him do that?

Allow is the most common in everyday English.

Can you show an example of each?

Allow: Please allow me to explain my point of view. Let him do that: I will let him do that if he asks nicely.

Can I use Allow and Let him do that interchangeably?

Not always. Allow and Let him do that 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