Assure vs You promise me something

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

Assure

Top 1,000 (very common)B2verb

You promise me something

Top 2,000 (common)
Most common: Assure
 AssureYou promise me something
Pronunciation🇬🇧 /["/əˈʃʊə(r)//əˈʃɔː(r)/","/əˈʃʊəz//əˈʃɔːz/","/əˈʃʊəd//əˈʃɔːd/","/əˈʃʊərɪŋ//əˈʃɔːrɪŋ/"]/🇺🇸 /["/əˈʃʊr/","/əˈʃʊrz/","/əˈʃʊrd/","/əˈʃʊrɪŋ/"]/🇬🇧 //jʊ ˈprɒmɪs miː ˈsʌmθɪŋ//🇺🇸 //ju ˈprɑːmɪs mi ˈsʌmθɪŋ//
MeaningTo make someone feel sure about somethingYou say you will do something for me.
ExampleI assure you that everything will be fine.You promise me something special for my birthday.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 2,000 (common)
CEFR levelB2-
Part of speechverb
Collocationscan, hasten to, of, let me assure youpromise to keep, promise to help, promise not to tell
Antonymsdoubt, disprove, deny-
Common mistakesConfused with 'ensure' which means to make certain something happens., Using it without a direct object; 'I assure that...' is incorrect., Mixing up 'assure' with 'insure' which relates to insurance.Omitting the subject; e.g., 'Promise me something.' should include 'You.', Using the wrong tense; e.g., 'You promised me something.' instead of 'You promise me something.', Confusing 'promise' with 'promise to' - they must be used correctly.
Usage notesUse 'assure' when you want to promise someone that something is true or will happen. It’s often used in more formal situations. Avoid using it in casual conversations where simpler verbs like 'tell' or 'say' might fit better.Used in personal and professional contexts. Can convey strong intention or hope; usually implies trust.

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Assure
You promise me something

Frequently asked questions: Assure vs You promise me something

What's the difference between Assure and You promise me something?

Assure: To make someone feel sure about something You promise me something: You say you will do something for me.

Which is more common: Assure and You promise me something?

Assure is the most common in everyday English.

Can you show an example of each?

Assure: I assure you that everything will be fine. You promise me something: You promise me something special for my birthday.

Can I use Assure and You promise me something interchangeably?

Not always. Assure and You promise me something 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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