Cool MateAlter vs Modify
When to use each in English, with meaning, register, and examples.
Alter
Beyond 10,000 (less common)B2verb
Modify
Top 2,000 (common)B2verb
Most common: Modify
| Alter | Modify | |
|---|---|---|
| Pronunciation | 🇬🇧 //ˈɔːltə//🇺🇸 //ˈɔltɚ// | 🇬🇧 /["/ˈmɒdɪfaɪ/","/ˈmɒdɪfaɪz/","/ˈmɒdɪfaɪd/","/ˈmɒdɪfaɪɪŋ/"]/🇺🇸 /["/ˈmɑːdɪfaɪ/","/ˈmɑːdɪfaɪz/","/ˈmɑːdɪfaɪd/","/ˈmɑːdɪfaɪɪŋ/"]/ |
| Meaning | To change something. | Change something to make it better or different. |
| Example | The dress was altered to fit better. | You can modify the document by adding new sections. |
| Register | Neutral | Neutral |
| How common | Beyond 10,000 (less common) | Top 2,000 (common) |
| CEFR level | B2 | B2 |
| Part of speech | verb | verb |
| Collocations | alter the course, alter the agreement, alter the design, alter behavior, alter personality | considerably, drastically, extensively, have to, need to, for, highly modified, in a modified form, modified to fit something |
| Antonyms | preserve, maintain, retain | maintain, preserve, keep |
| Common mistakes | Confusing with 'change' - 'alter' usually implies a more significant adjustment., Using 'alter' without an object - it should always follow an object., Incorrectly using 'altered' as a noun. | Confusing with 'modification', which is the noun form., Using 'modify' without an object, which is incorrect., Overusing 'modify' instead of synonyms like 'change' or 'adjust' in casual speech. |
| Usage notes | Use 'alter' when you want to indicate a change or modification. It is more formal than 'change'. Avoid using it for very minor or trivial adjustments. | Use 'modify' when discussing changes to plans, documents, or objects. It's neutral, so it's appropriate in most contexts, such as academic or business settings. |
Frequently asked questions: Alter vs Modify
What's the difference between Alter and Modify?
Alter: To change something. Modify: Change something to make it better or different.
Which is more common: Alter and Modify?
Modify is the most common in everyday English.
Are Alter and Modify the same CEFR level?
Alter: B2, Modify: B2 on the CEFR scale.
What part of speech are Alter and Modify?
Alter: verb, Modify: verb.
Can you show an example of each?
Alter: The dress was altered to fit better. Modify: You can modify the document by adding new sections.
Can I use Alter and Modify interchangeably?
Not always. Alter and Modify 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.