Sequence vs Series

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

 SequenceSeries
MeaningA series of things in a specific order.A group of things or events that happen one after another.
CEFR levelB2A2
Part of speechnounnoun
Usage notesUse 'sequence' when talking about order in time or events. It's appropriate in academic, technical, and everyday contexts, but may be too formal for casual conversation.Used for television shows, books, or events that are related. In formal settings, you might refer to 'a series of studies' but in casual conversation, you could just say 'the next series of that show'.

Frequently asked questions: Sequence vs Series

What's the difference between "Sequence" and "Series"?

"Sequence" means: A series of things in a specific order. "Series" means: A group of things or events that happen one after another.

When should I use "Sequence" and "Series"?

They can all be used in everyday English.

Are "Sequence" and "Series" the same CEFR level?

"Sequence" is at B2, "Series" is at A2 on the CEFR scale.

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