Consent vs Permission

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

Consent

FormalTop 3,000 (common)C1noun

Permission

Top 2,000 (common)A2noun
Most formal: ConsentMost common: Permission
 ConsentPermission
Pronunciation🇬🇧 //kənˈsɛnt//🇺🇸 //kənˈsɛnt//🇬🇧 /["/pəˈmɪʃn/"]/🇺🇸 /["/pərˈmɪʃn/"]/
MeaningPermission to do something.Being allowed to do something
ExampleThe doctor asked for my consent before proceeding with the surgery.I need permission from my parents to go out tonight.
RegisterFormalNeutral
How commonTop 3,000 (common)Top 2,000 (common)
CEFR levelC1A2
Part of speechnounnoun
Collocationsinformed consent, give consent, withhold consentfull, special, explicit, have, gain, get, with somebody’s permission, without somebody’s permission, permission for, by permission of somebody, full, special, explicit, have, gain, get, with somebody’s permission, without somebody’s permission, permission for, by permission of somebody
Antonymsdisagreement, refusal, denialprohibition, denial
Common mistakesConfused with 'consent' as a verb; it's primarily a noun in legal contexts., Overusing 'consent' in informal settings., Mixing up 'consent' with 'agreement'; they can differ in meaning.Using 'permission' instead of 'permit' as a verb, Saying 'give permission to' instead of 'grant permission to', Confusing 'permission' with 'permission slip' which is a specific document
Usage notesCommonly used in legal, medical, and ethical contexts. Avoid in casual conversations unless discussing serious topics.Use 'permission' when talking about getting approval for an action. It's suitable in both formal and informal contexts, but avoid using it in slang settings.

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Consent
Permission

Frequently asked questions: Consent vs Permission

What's the difference between Consent and Permission?

Consent: Permission to do something. Permission: Being allowed to do something

Which is more formal: Consent and Permission?

Consent is the most formal of these.

Which is more common: Consent and Permission?

Permission is the most common in everyday English.

Which is more advanced: Consent and Permission?

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

Are Consent and Permission the same CEFR level?

Consent: C1, Permission: A2 on the CEFR scale.

What part of speech are Consent and Permission?

Consent: noun, Permission: noun.

Can you show an example of each?

Consent: The doctor asked for my consent before proceeding with the surgery. Permission: I need permission from my parents to go out tonight.

Can I use Consent and Permission interchangeably?

Not always. Consent and Permission 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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