Expire vs Perish

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

Expire

Top 2,000 (common)C1verb

Perish

Top 3,000 (common)B1verb
Most common: Expire
 ExpirePerish
Pronunciation🇬🇧 /["/ɪkˈspaɪə(r)/","/ɪkˈspaɪəz/","/ɪkˈspaɪəd/","/ɪkˈspaɪərɪŋ/"]/🇺🇸 /["/ɪkˈspaɪər/","/ɪkˈspaɪərz/","/ɪkˈspaɪərd/","/ɪkˈspaɪərɪŋ/"]/🇬🇧 //ˈpɛrɪʃ//🇺🇸 //ˈpɛrɪʃ//
Meaningto end or no longer be validTo die or come to an end.
ExampleWhen does your driving licence expire?Many species perish due to habitat destruction.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 3,000 (common)
CEFR levelC1B1
Part of speechverbverb
Collocationsbe due to, be due toperish from hunger, allow to perish, perish in flames
Antonymscontinue, renewlive, survive, thrive
Common mistakesUsing 'expire' with non-time related objects., Confusing 'expire' with 'inspire'., Incorrectly using 'expired' as a noun.Confusing 'perish' with 'die' which sounds more casual., Using 'perish' with living subjects only; can also refer to ideas or cultures., Incomplete understanding of metaphorical uses, such as 'perish in obscurity.'
Usage notesUse 'expire' when referring to licenses, subscriptions, or food. Not appropriate for informal contexts or slang.Used in both formal and neutral contexts, often in discussions about life, nature, or metaphorically. Avoid in casual conversations.

Frequently asked questions: Expire vs Perish

What's the difference between Expire and Perish?

Expire: to end or no longer be valid Perish: To die or come to an end.

Which is more common: Expire and Perish?

Expire is the most common in everyday English.

Are Expire and Perish the same CEFR level?

Expire: C1, Perish: B1 on the CEFR scale.

Can I use Expire and Perish interchangeably?

Not always. Expire and Perish 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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