Exactly vs That's just it

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

Exactly

Top 1,000 (very common)A2adverb

That's just it

InformalTop 2,000 (common)
Most formal: ExactlyMost common: Exactly
 ExactlyThat's just it
Pronunciation🇬🇧 /["/ɪɡˈzæktli/"]/🇺🇸 /["/ɪɡˈzæktli/"]/🇬🇧 //ðæts dʒʌst ɪt//🇺🇸 //ðæts dʒʌst ɪt//
MeaningIn a precise or accurate manner.That's exactly the point or reason.
ExampleThe instructions say to follow the recipe exactly for the best results.I think the new policy is confusing, and that's just it.
RegisterNeutralInformal
How commonTop 1,000 (very common)Top 2,000 (common)
CEFR levelA2-
Part of speechadverb
Collocationsexactly right, exactly what, exactly the same, exactly how, know exactlythat's just it, that's the reason, that's just how it is
Antonymsapproximately, roughly-
Common mistakes'Exactly' is often confused with 'correctly' — they have different nuances., Learners sometimes use 'exact' instead of 'exactly' in adverbial contexts., Misplaced in sentences, such as using it at the beginning instead of near the verb.Used in formal writing instead of more formal phrases., Confused with 'that's it' which has a slightly different tone.
Usage notesUse 'exactly' to emphasize precision or correctness. It's suitable for both spoken and written contexts. Avoid in overly casual conversations where a simpler term may suffice.Used to emphasize a conclusion or important point in a conversation. Generally informal, suitable for friendly or casual discussions, but may lack formality for professional settings.

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Exactly
That's just it

Frequently asked questions: Exactly vs That's just it

What's the difference between Exactly and That's just it?

Exactly: In a precise or accurate manner. That's just it: That's exactly the point or reason.

Which is more formal: Exactly and That's just it?

Exactly is the most formal of these.

Which is more common: Exactly and That's just it?

Exactly is the most common in everyday English.

Can you show an example of each?

Exactly: The instructions say to follow the recipe exactly for the best results. That's just it: I think the new policy is confusing, and that's just it.

Can I use Exactly and That's just it interchangeably?

Not always. Exactly and That's just it 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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