Commit vs Promise me

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

Commit

Top 1,000 (very common)B1verb

Promise me

Top 2,000 (common)
Most common: Commit
 CommitPromise me
Pronunciation🇬🇧 /["/kəˈmɪt/","/kəˈmɪts/","/kəˈmɪtɪd/","/kəˈmɪtɪŋ/"]/🇺🇸 /["/kəˈmɪt/","/kəˈmɪts/","/kəˈmɪtɪd/","/kəˈmɪtɪŋ/"]/🇬🇧 //ˈprɒmɪs miː//🇺🇸 //ˈprɑːmɪs mi//
MeaningTo promise to do something or to dedicate oneself to a decision.Say you'll do something or keep a secret.
ExampleI need to commit to a healthier lifestyle this year.Please, promise me you'll be there tomorrow.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 2,000 (common)
CEFR levelB1-
Part of speechverb
Collocationscommit a crime, commit to a plan, commit resources, commit fully, commit yourselfmake a promise, keep a promise, broken promise, if you promise, promise to
Antonymsabandon, withdraw, distract-
Common mistakesConfused with 'submit' — 'commit' refers to dedication, while 'submit' means to turn in something., Using 'commit' without an object — remember to specify what you are committing to.Confused about who can promise - both people can make a promise., Using it without a specific object or context., Overusing it in casual conversations.
Usage notesUse 'commit' when referring to making a strong promise or dedication, often in serious contexts like relationships or projects. Avoid using it in casual situations unless it's about a commitment to a plan.Typically used in informal contexts. Avoid in overly formal situations.

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Commit
Promise me

Frequently asked questions: Commit vs Promise me

What's the difference between Commit and Promise me?

Commit: To promise to do something or to dedicate oneself to a decision. Promise me: Say you'll do something or keep a secret.

Which is more common: Commit and Promise me?

Commit is the most common in everyday English.

Can you show an example of each?

Commit: I need to commit to a healthier lifestyle this year. Promise me: Please, promise me you'll be there tomorrow.

Can I use Commit and Promise me interchangeably?

Not always. Commit and Promise me 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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