Cancel vs They're trying to undo something

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

Cancel

Top 1,000 (very common)B2verb

They're trying to undo something

Top 2,000 (common)
Most common: Cancel
 CancelThey're trying to undo something
Pronunciation🇬🇧 //ˈkænsl//🇺🇸 //ˈkænsl//🇬🇧 //ðeəˈraɪɪŋ tə ʌnˈduː ˈsʌmθɪŋ//🇺🇸 //ðɛrˈtraɪɪŋ tə ʌnˈdu ˈsʌmθɪŋ//
MeaningTo decide that something will not happen.They want to reverse or cancel an action.
ExampleI need to cancel my appointment for tomorrow.They're trying to undo something they did in the past.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 2,000 (common)
CEFR levelB2-
Part of speechverb
Collocationscancel a reservation, cancel a meeting, cancel an order, cancel a flighttry to undo, successfully undo, easily undo, attempt to undo, undo a mistake
Antonymsconfirm, continue, schedule-
Common mistakesConfused with 'cancellation', which is a noun., Using 'canceled' instead of 'cancelled' in British English., Omitting the object, e.g., saying 'I will cancel' without specifying what.Confused with 'redo,' which means to do something again., Using 'undo' without a clear object, which can confuse the meaning., Misinterpreting 'undo' as 'ignore.'
Usage notesUsed in formal and informal contexts; appropriate when discussing plans, subscriptions, or events. Avoid using it when talking about permanent decisions.Use in situations where someone is attempting to revert a change. Common in everyday conversation but can also be used in formal contexts.

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Cancel
They're trying to undo something

Frequently asked questions: Cancel vs They're trying to undo something

What's the difference between Cancel and They're trying to undo something?

Cancel: To decide that something will not happen. They're trying to undo something: They want to reverse or cancel an action.

Which is more common: Cancel and They're trying to undo something?

Cancel is the most common in everyday English.

Can you show an example of each?

Cancel: I need to cancel my appointment for tomorrow. They're trying to undo something: They're trying to undo something they did in the past.

Can I use Cancel and They're trying to undo something interchangeably?

Not always. Cancel and They're trying to undo something 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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