Let him do that vs Permit

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

Let him do that

Top 2,000 (common)

Permit

Top 2,000 (common)B2verb
 Let him do thatPermit
Pronunciation🇬🇧 //lɛt hɪm duː ðæt//🇺🇸 //lɛt hɪm du ðæt//🇬🇧 /["/pəˈmɪt/","/pəˈmɪts/","/pəˈmɪtɪd/","/pəˈmɪtɪŋ/"]/🇺🇸 /["/pərˈmɪt/","/pərˈmɪts/","/pərˈmɪtɪd/","/pərˈmɪtɪŋ/"]/
MeaningAllow him to do that.To allow something to happen.
ExampleI will let him do that if he asks nicely.The teacher will permit students to leave early if they finish their exams on time.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 2,000 (common)
CEFR level-B2
Part of speechverb
Collocationslet him go, let her try, let them know, let me see, let us helplegally, generally, normally, refuse to, be designed to, legally, generally, normally, refuse to, be designed to
Antonyms-forbid, prohibit, ban
Common mistakesConfusing '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.'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 notesUsed to give permission; suitable in informal or neutral contexts. Avoid in formal writing.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

Let him do that
Permit

Frequently asked questions: Let him do that vs Permit

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

Let him do that: Allow him to do that. Permit: To allow something to happen.

Can you show an example of each?

Let him do that: I will let him do that if he asks nicely. Permit: The teacher will permit students to leave early if they finish their exams on time.

Can I use Let him do that and Permit interchangeably?

Not always. Let him do that 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.

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