Cool MateCommit vs Promise
When to use each in English, with meaning, register, and examples.
Commit
Top 1,000 (very common)B1verb
Promise
Top 1,000 (very common)A2verb
| Commit | Promise | |
|---|---|---|
| Pronunciation | 🇬🇧 /["/kəˈmɪt/","/kəˈmɪts/","/kəˈmɪtɪd/","/kəˈmɪtɪŋ/"]/🇺🇸 /["/kəˈmɪt/","/kəˈmɪts/","/kəˈmɪtɪd/","/kəˈmɪtɪŋ/"]/ | 🇬🇧 /["/ˈprɒmɪs/","/ˈprɒmɪsɪz/","/ˈprɒmɪst/","/ˈprɒmɪsɪŋ/"]/🇺🇸 /["/ˈprɑːmɪs/","/ˈprɑːmɪsɪz/","/ˈprɑːmɪst/","/ˈprɑːmɪsɪŋ/"]/ |
| Meaning | To promise to do something or to dedicate oneself to a decision. | A commitment to do something or not do something. |
| Example | I need to commit to a healthier lifestyle this year. | I promise to help you with your homework. |
| Register | Neutral | Neutral |
| How common | Top 1,000 (very common) | Top 1,000 (very common) |
| CEFR level | B1 | A2 |
| Part of speech | verb | verb |
| Collocations | commit a crime, commit to a plan, commit resources, commit fully, commit yourself | faithfully, solemnly, initially, can, cannot, seem to, to, as promised, I can’t promise anything |
| Antonyms | abandon, withdraw, distract | lie, break, betray |
| Common mistakes | Confused 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. | Confusing 'promise' with 'vow' or 'pledge' in terms of strength., Using 'promise' without an object (e.g., 'I promise' should specify what)., Misusing in the past tense (e.g., 'I promised' without a follow-up). |
| Usage notes | Use '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. | Use 'promise' when you want to express a vow or assurance. Common in both spoken and written contexts, but avoid in formal legal documents. |
See it in real clips
Frequently asked questions: Commit vs Promise
What's the difference between Commit and Promise?
Commit: To promise to do something or to dedicate oneself to a decision. Promise: A commitment to do something or not do something.
Which is more advanced: Commit and Promise?
Commit is the highest level, at B1, on the CEFR scale.
Are Commit and Promise the same CEFR level?
Commit: B1, Promise: A2 on the CEFR scale.
What part of speech are Commit and Promise?
Commit: verb, Promise: verb.
Can you show an example of each?
Commit: I need to commit to a healthier lifestyle this year. Promise: I promise to help you with your homework.
Can I use Commit and Promise interchangeably?
Not always. Commit and Promise 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.