Immediately vs Quickly now

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

Immediately

Top 1,000 (very common)A2adverb

Quickly now

InformalBeyond 10,000 (less common)
Most formal: ImmediatelyMost common: Immediately
 ImmediatelyQuickly now
Pronunciation🇬🇧 /["/ɪˈmiːdiətli/"]/🇺🇸 /["/ɪˈmiːdiətli/"]/🇬🇧 //ˈkwɪkli naʊ//🇺🇸 //ˈkwɪkli naʊ//
Meaningright away, without waitingDo something fast, right away.
ExampleHe answered the question immediately after it was asked.We need to leave the house, so quickly now!
RegisterNeutralInformal
How commonTop 1,000 (very common)Beyond 10,000 (less common)
CEFR levelA2-
Part of speechadverb
Collocationsrespond immediately, act immediately, notify immediatelymove quickly now, act quickly now, finish quickly now
Antonymseventually, later-
Common mistakesUsing 'immediate' instead of 'immediately'., Confusing with 'eventually', which means later., Incorrectly placing 'immediately' at the end of a sentence.Using 'quickly now' in formal emails or presentations., Adding unnecessary words, like 'do it quickly now', which sounds awkward.
Usage notesUse 'immediately' to emphasize urgency or promptness. It's appropriate in both spoken and written English, but avoid in very casual contexts.Use in casual settings to urge someone to act fast. Not suitable for formal situations.

See it in real clips

Immediately
Quickly now

Frequently asked questions: Immediately vs Quickly now

What's the difference between Immediately and Quickly now?

Immediately: right away, without waiting Quickly now: Do something fast, right away.

Which is more formal: Immediately and Quickly now?

Immediately is the most formal of these.

Which is more common: Immediately and Quickly now?

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. Quickly now: We need to leave the house, so quickly now!

Can I use Immediately and Quickly now interchangeably?

Not always. Immediately and Quickly now 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.