Immediately vs Just like that

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

Immediately

Top 1,000 (very common)A2adverb

Just like that

InformalTop 2,000 (common)
Most formal: ImmediatelyMost common: Immediately
 ImmediatelyJust like that
Pronunciation🇬🇧 /["/ɪˈmiːdiətli/"]/🇺🇸 /["/ɪˈmiːdiətli/"]/🇬🇧 //dʒʌst laɪk ðæt//🇺🇸 //dʒʌst laɪk ðæt//
Meaningright away, without waitingSuddenly or easily without effort.
ExampleHe answered the question immediately after it was asked.He finished his homework, and just like that, he was free to play.
RegisterNeutralInformal
How commonTop 1,000 (very common)Top 2,000 (common)
CEFR levelA2-
Part of speechadverb
Collocationsrespond immediately, act immediately, notify immediatelyjust like that, just like magic, just like before
Antonymseventually, later-
Common mistakesUsing 'immediate' instead of 'immediately'., Confusing with 'eventually', which means later., Incorrectly placing 'immediately' at the end of a sentence.Used in formal contexts where a more precise phrase is needed., Confused with similar phrases like 'just so' which means 'exactly like this'.
Usage notesUse 'immediately' to emphasize urgency or promptness. It's appropriate in both spoken and written English, but avoid in very casual contexts.Used in casual conversation to indicate something occurs quickly or unexpectedly. Avoid in formal writing.

See it in real clips

Immediately
Just like that

Frequently asked questions: Immediately vs Just like that

What's the difference between Immediately and Just like that?

Immediately: right away, without waiting Just like that: Suddenly or easily without effort.

Which is more formal: Immediately and Just like that?

Immediately is the most formal of these.

Which is more common: Immediately and Just like that?

Immediately is the most common in everyday English.

Can you show an example of each?

Immediately: He answered the question immediately after it was asked. Just like that: He finished his homework, and just like that, he was free to play.

Can I use Immediately and Just like that interchangeably?

Not always. Immediately and Just like that 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.