It's just that vs The thing is

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

It's just that

Top 2,000 (common)

The thing is

Top 2,000 (common)
 It's just thatThe thing is
Pronunciation🇬🇧 //ɪts dʒʌst ðæt//🇺🇸 //ɪts dʒʌst ðæt//🇬🇧 //ðə θɪŋ ɪz//🇺🇸 //ðə θɪŋ ɪz//
MeaningI'm explaining a reason or situation.The important point is
ExampleI can't come to the party; it's just that I have a prior commitment.The thing is, we need to finish this project by Friday.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 2,000 (common)
Collocationsit's just that I, it's just that you, it's just that theythe thing is,, and the thing is,, the thing is that
Common mistakesConfused with 'that's just it' which has a different meaning., Misusing in formal contexts where simpler phrases might be better.Using it incorrectly at the beginning of formal writing., Confusing with other phrases like 'the fact is'.
Usage notesUsed to introduce an explanation. Best for casual conversations. Could feel too informal in formal writing.Used informally to emphasize a key point or explanation. It’s suitable in conversations but less formal in writing.

See it in real clips

It's just that
The thing is

Frequently asked questions: It's just that vs The thing is

What's the difference between It's just that and The thing is?

It's just that: I'm explaining a reason or situation. The thing is: The important point is

Can you show an example of each?

It's just that: I can't come to the party; it's just that I have a prior commitment. The thing is: The thing is, we need to finish this project by Friday.

Can I use It's just that and The thing is interchangeably?

Not always. It's just that and The thing is 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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