Commit vs Dedicate vs Devote vs Pledge vs Promise

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

Commit

Top 1,000 (very common)B1verb

Dedicate

Top 2,000 (common)B1

Devote

Top 2,000 (common)B2verb

Pledge

FormalTop 2,000 (common)C1verb

Promise

Top 1,000 (very common)A2verb
Most formal: Pledge
 CommitDedicateDevotePledgePromise
Pronunciation🇬🇧 /["/kəˈmɪt/","/kəˈmɪts/","/kəˈmɪtɪd/","/kəˈmɪtɪŋ/"]/🇺🇸 /["/kəˈmɪt/","/kəˈmɪts/","/kəˈmɪtɪd/","/kəˈmɪtɪŋ/"]/🇬🇧 //ˈdɛdɪkeɪt//🇺🇸 //ˈdɛdɪˌkeɪt//🇬🇧 /["/dɪˈvəʊt/","/dɪˈvəʊts/","/dɪˈvəʊtɪd/","/dɪˈvəʊtɪŋ/"]/🇺🇸 /["/dɪˈvəʊt/","/dɪˈvəʊts/","/dɪˈvəʊtɪd/","/dɪˈvəʊtɪŋ/"]/🇬🇧 //plɛdʒ//🇺🇸 //plɛdʒ//🇬🇧 /["/ˈprɒmɪs/","/ˈprɒmɪsɪz/","/ˈprɒmɪst/","/ˈprɒmɪsɪŋ/"]/🇺🇸 /["/ˈprɑːmɪs/","/ˈprɑːmɪsɪz/","/ˈprɑːmɪst/","/ˈprɑːmɪsɪŋ/"]/
MeaningTo promise to do something or to dedicate oneself to a decision.To commit something to a particular purpose or person.To give time or effort to something.To make a serious promise or commitment.A commitment to do something or not do something.
ExampleI need to commit to a healthier lifestyle this year.She decided to dedicate her life to helping others.She plans to devote her summer to volunteering.She decided to pledge her support to the charity event.I promise to help you with your homework.
RegisterNeutralNeutralNeutralFormalNeutral
How commonTop 1,000 (very common)Top 2,000 (common)Top 2,000 (common)Top 2,000 (common)Top 1,000 (very common)
CEFR levelB1B1B2C1A2
Part of speechverbverbverbverb
Collocationscommit a crime, commit to a plan, commit resources, commit fully, commit yourselfdedicate time, dedicate resources, dedicate a book, dedicate efforts, dedicate a songdevote time, devote energy, devote resources, devote attention, devote oneselfpledge allegiance, pledge support, pledge a donationfaithfully, solemnly, initially, can, cannot, seem to, to, as promised, I can’t promise anything
Antonymsabandon, withdraw, distractdesecrate, disregardneglect, ignore, disregardrenounce, disavow, withdrawlie, break, betray
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.Confusing with 'devote', which has a similar but slightly different meaning., Omitting 'to' when stating the purpose or person., Incorrectly using the word in an informal context.'Devote' is often confused with 'devotee', which means a fan or follower., Some learners forget to use an object, saying 'devote to' without specifying what., Misusing 'devote' in casual speech where 'spend' or 'use' would fit better.Confused with 'pledged' vs 'pledge' as different tenses., Omitting the object after the verb., Using 'pledge' when referring to a general promise instead of a formal commitment.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 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.Used when talking about giving time, effort, or resources to a cause or person. More common in formal contexts, like speeches or ceremonies.Use 'devote' for serious commitments, like time to a cause. Avoid informal settings.Typically used in formal contexts, such as during ceremonies or official statements. Avoid in casual conversations.Use 'promise' when you want to express a vow or assurance. Common in both spoken and written contexts, but avoid in formal legal documents.

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Commit
Pledge

Frequently asked questions: Commit vs Dedicate vs Devote vs Pledge vs Promise

What's the difference between Commit, Dedicate, Devote, Pledge, and Promise?

Commit: To promise to do something or to dedicate oneself to a decision. Dedicate: To commit something to a particular purpose or person. Devote: To give time or effort to something. Pledge: To make a serious promise or commitment. Promise: A commitment to do something or not do something.

Which is more formal: Commit, Dedicate, Devote, Pledge, and Promise?

Pledge is the most formal of these.

Which is more advanced: Commit, Dedicate, Devote, Pledge, and Promise?

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

Are Commit, Dedicate, Devote, Pledge, and Promise the same CEFR level?

Commit: B1, Dedicate: B1, Devote: B2, Pledge: C1, Promise: A2 on the CEFR scale.

Can you show an example of each?

Commit: I need to commit to a healthier lifestyle this year. Dedicate: She decided to dedicate her life to helping others. Devote: She plans to devote her summer to volunteering. Pledge: She decided to pledge her support to the charity event. Promise: I promise to help you with your homework.

Can I use Commit, Dedicate, Devote, Pledge, and Promise interchangeably?

Not always. Commit, Dedicate, Devote, Pledge, 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.

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