Alter vs Amend

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

Alter

Beyond 10,000 (less common)B2verb

Amend

FormalTop 3,000 (common)C1verb
Most formal: AmendMost common: Amend
 AlterAmend
Pronunciation🇬🇧 //ˈɔːltə//🇺🇸 //ˈɔltɚ//🇬🇧 //əˈmɛnd//🇺🇸 //əˈmɛnd//
MeaningTo change something.To change or fix something to make it better.
ExampleThe dress was altered to fit better.The committee decided to amend the proposed legislation.
RegisterNeutralFormal
How commonBeyond 10,000 (less common)Top 3,000 (common)
CEFR levelB2C1
Part of speechverbverb
Collocationsalter the course, alter the agreement, alter the design, alter behavior, alter personalityamend a law, amend a document, amend a policy, amendments to the contract
Antonymspreserve, maintain, retaindamage, deteriorate, harm
Common mistakesConfusing 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.Confused with 'correct' - 'amend' implies a more formal change., Using 'amend' without an object - remember it needs something to amend., Overusing 'amend' in informal writing.
Usage notesUse '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 'amend' in formal contexts, often for legal documents or policies. It is less common in casual conversation.

Frequently asked questions: Alter vs Amend

What's the difference between Alter and Amend?

Alter: To change something. Amend: To change or fix something to make it better.

Which is more formal: Alter and Amend?

Amend is the most formal of these.

Which is more common: Alter and Amend?

Amend is the most common in everyday English.

Which is more advanced: Alter and Amend?

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

Are Alter and Amend the same CEFR level?

Alter: B2, Amend: C1 on the CEFR scale.

What part of speech are Alter and Amend?

Alter: verb, Amend: verb.

Can you show an example of each?

Alter: The dress was altered to fit better. Amend: The committee decided to amend the proposed legislation.

Can I use Alter and Amend interchangeably?

Not always. Alter and Amend 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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