Busy vs We're tied up

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

Busy

Top 1,000 (very common)A1adjective

We're tied up

InformalTop 2,000 (common)
Most formal: BusyMost common: Busy
 BusyWe're tied up
Pronunciation🇬🇧 /["/ˈbɪzi/"]/🇺🇸 /["/ˈbɪzi/"]/🇬🇧 //wɪə taɪd ʌp//🇺🇸 //wɪr taɪd ʌp//
MeaningHaving a lot to do; not free.We are busy and cannot be available.
ExampleI am busy with homework right now.Sorry, I can't help you right now; we're tied up with work.
RegisterNeutralInformal
How commonTop 1,000 (very common)Top 2,000 (common)
CEFR levelA1-
Part of speechadjective
Collocationsbe, look, seem, extremely, fairly, very, with, be, look, seem, extremely, fairly, very, withtied up in work, tied up with tasks, tied up on the phone
Antonymsidle, free, leisurely-
Common mistakes'Busy' is often confused with 'bustling' when talking about places., Some learners use 'busy' to describe being in a bad mood., Confusing 'busy' with 'busyness' as a noun.Confused with 'tied up' meaning physically restrained., Using in formal emails or meetings., Misunderstanding the phrase as literal.
Usage notesUse 'busy' to describe someone or something that is occupied with tasks. It's suitable for both formal and informal contexts, but avoid using it to describe a person's character in a negative way.Used in casual conversation to indicate that you cannot take on more tasks. Not suitable for formal contexts.

See it in real clips

Busy
We're tied up

Frequently asked questions: Busy vs We're tied up

What's the difference between Busy and We're tied up?

Busy: Having a lot to do; not free. We're tied up: We are busy and cannot be available.

Which is more formal: Busy and We're tied up?

Busy is the most formal of these.

Which is more common: Busy and We're tied up?

Busy is the most common in everyday English.

Can you show an example of each?

Busy: I am busy with homework right now. We're tied up: Sorry, I can't help you right now; we're tied up with work.

Can I use Busy and We're tied up interchangeably?

Not always. Busy and We're tied up 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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